aberth https://github.com/a13x/aberth https://github.com/a13x/aberth Generic BERT-RPC server in Erlang
active https://github.com/proger/active https://github.com/proger/active Active development for Erlang: rebuild and reload source/binary files while the VM is running
aleppo https://github.com/ErlyORM/aleppo https://github.com/ErlyORM/aleppo Alternative Erlang Pre-Processor
annotations https://github.com/hyperthunk/annotations https://github.com/hyperthunk/annotations Simple code instrumentation utilities
apns https://github.com/inaka/apns4erl http://inaka.github.com/apns4erl Apple Push Notification Server for Erlang
azdht https://github.com/arcusfelis/azdht https://github.com/arcusfelis/azdht Azureus Distributed Hash Table (DHT) in Erlang
backoff https://github.com/ferd/backoff https://github.com/ferd/backoff Simple exponential backoffs in Erlang
barrel https://github.com/benoitc/barrel https://github.com/benoitc/barrel barrel is a generic TCP acceptor pool with low latency in Erlang.
basho_bench https://github.com/basho/basho_bench https://github.com/basho/basho_bench A load-generation and testing tool for basically whatever you can write a returning Erlang function for.
beanstalk https://github.com/tim/erlang-beanstalk https://github.com/tim/erlang-beanstalk An Erlang client for beanstalkd
bear https://github.com/boundary/bear https://github.com/boundary/bear a set of statistics functions for erlang
bertconf https://github.com/ferd/bertconf https://github.com/ferd/bertconf Make ETS tables out of statc BERT files that are auto-reloaded
bifrost https://github.com/thorstadt/bifrost https://github.com/thorstadt/bifrost Erlang FTP Server Framework
binpp https://github.com/jtendo/binpp https://github.com/jtendo/binpp Erlang Binary Pretty Printer
bisect https://github.com/knutin/bisect https://github.com/knutin/bisect Ordered fixed-size binary dictionary in Erlang
bitcask https://github.com/basho/bitcask https://github.com/basho/bitcask because you need another a key/value storage engine
bitstore https://github.com/bdionne/bitstore https://github.com/bdionne/bitstore A document based ontology development environment
bootstrap https://github.com/schlagert/bootstrap https://github.com/schlagert/bootstrap A simple, yet powerful Erlang cluster bootstrapping application.
boss_db https://github.com/ErlyORM/boss_db https://github.com/ErlyORM/boss_db BossDB: a sharded, caching, pooling, evented ORM for Erlang
boss https://github.com/ChicagoBoss/ChicagoBoss https://github.com/ChicagoBoss/ChicagoBoss Erlang web MVC, now featuring Comet
bson https://github.com/comtihon/bson-erlang https://github.com/comtihon/bson-erlang BSON documents in Erlang, see bsonspec.org
bullet https://github.com/extend/bullet http://ninenines.eu Simple, reliable, efficient streaming for Cowboy.
cache https://github.com/fogfish/cache https://github.com/fogfish/cache Erlang in-memory cache
cake https://github.com/darach/cake-erl https://github.com/darach/cake-erl Really simple terminal colorization
carotene https://github.com/carotene/carotene https://github.com/carotene/carotene Real-time server
cecho https://github.com/mazenharake/cecho https://github.com/mazenharake/cecho An ncurses library for Erlang
cferl https://github.com/ddossot/cferl https://github.com/ddossot/cferl Rackspace / Open Stack Cloud Files Erlang Client
chaos_monkey https://github.com/dLuna/chaos_monkey https://github.com/dLuna/chaos_monkey This is The CHAOS MONKEY. It will kill your processes.
chronos https://github.com/lehoff/chronos https://github.com/lehoff/chronos Timer module for Erlang that makes it easy to abstact time out of the tests.
classifier https://github.com/inaka/classifier https://github.com/inaka/classifier An Erlang Bayesian Filter and Text Classifier
clique https://github.com/basho/clique https://github.com/basho/clique CLI Framework for Erlang
cluster_info https://github.com/basho/cluster_info https://github.com/basho/cluster_info Fork of Hibari's nifty cluster_info OTP app
confetti https://github.com/jtendo/confetti https://github.com/jtendo/confetti Erlang configuration provider / application:get_env/2 on steroids
couchbeam https://github.com/benoitc/couchbeam https://github.com/benoitc/couchbeam Apache CouchDB client in Erlang
couch https://github.com/benoitc/opencouch https://github.com/benoitc/opencouch A embeddable document oriented database compatible with Apache CouchDB
covertool https://github.com/idubrov/covertool https://github.com/idubrov/covertool Tool to convert Erlang cover data files into Cobertura XML reports
cowboy https://github.com/ninenines/cowboy http://ninenines.eu Small, fast and modular HTTP server.
cowdb https://github.com/refuge/cowdb https://github.com/refuge/cowdb Pure Key/Value database library for Erlang Applications
cowlib https://github.com/ninenines/cowlib http://ninenines.eu Support library for manipulating Web protocols.
cpg https://github.com/okeuday/cpg https://github.com/okeuday/cpg CloudI Process Groups
cqerl https://github.com/matehat/cqerl https://matehat.github.io/cqerl/ Native Erlang CQL client for Cassandra
cr https://github.com/spawnproc/cr https://synrc.com/apps/cr/doc/cr.htm Chain Replication
cuttlefish https://github.com/basho/cuttlefish https://github.com/basho/cuttlefish never lose your childlike sense of wonder baby cuttlefish, promise me?
damocles https://github.com/lostcolony/damocles https://github.com/lostcolony/damocles Erlang library for generating adversarial network conditions for QAing distributed applications/systems on a single Linux box.
debbie https://github.com/crownedgrouse/debbie https://github.com/crownedgrouse/debbie .DEB Built In Erlang
decimal https://github.com/tim/erlang-decimal https://github.com/tim/erlang-decimal An Erlang decimal arithmetic library
detergent https://github.com/devinus/detergent https://github.com/devinus/detergent An emulsifying Erlang SOAP library
dh_date https://github.com/daleharvey/dh_date https://github.com/daleharvey/dh_date Date formatting / parsing library for erlang
dhtcrawler https://github.com/kevinlynx/dhtcrawler https://github.com/kevinlynx/dhtcrawler dhtcrawler is a DHT crawler written in erlang. It can join a DHT network and crawl many P2P torrents.
dirbusterl https://github.com/silentsignal/DirBustErl https://github.com/silentsignal/DirBustErl DirBuster successor in Erlang
dispcount https://github.com/ferd/dispcount https://github.com/ferd/dispcount Erlang task dispatcher based on ETS counters.
dlhttpc https://github.com/ferd/dlhttpc https://github.com/ferd/dlhttpc dispcount-based lhttpc fork for massive amounts of requests to limited endpoints
dns https://github.com/aetrion/dns_erlang https://github.com/aetrion/dns_erlang Erlang DNS library
dnssd https://github.com/benoitc/dnssd_erlang https://github.com/benoitc/dnssd_erlang Erlang interface to Apple's Bonjour D NS Service Discovery implementation
dtl https://github.com/oinksoft/dtl https://github.com/oinksoft/dtl Django Template Language: A full-featured port of the Django template engine to Erlang.
dynamic_compile https://github.com/jkvor/dynamic_compile https://github.com/jkvor/dynamic_compile compile and load erlang modules from string input
e2 https://github.com/gar1t/e2 http://e2project.org Library to simply writing correct OTP applications.
eamf https://github.com/mrinalwadhwa/eamf https://github.com/mrinalwadhwa/eamf eAMF provides Action Message Format (AMF) support for Erlang
eavro https://github.com/SIfoxDevTeam/eavro https://github.com/SIfoxDevTeam/eavro Apache Avro encoder/decoder
ecapnp https://github.com/kaos/ecapnp https://github.com/kaos/ecapnp Cap'n Proto library for Erlang
econfig https://github.com/benoitc/econfig https://github.com/benoitc/econfig simple Erlang config handler using INI files
edate https://github.com/dweldon/edate https://github.com/dweldon/edate date manipulation library for erlang
edgar https://github.com/crownedgrouse/edgar https://github.com/crownedgrouse/edgar Erlang Does GNU AR
edis https://github.com/inaka/edis http://inaka.github.com/edis/ An Erlang implementation of Redis KV Store
edns https://github.com/hcvst/erlang-dns https://github.com/hcvst/erlang-dns Erlang/OTP DNS server
eep_app https://github.com/darach/eep-erl https://github.com/darach/eep-erl Embedded Event Processing
eep https://github.com/virtan/eep https://github.com/virtan/eep Erlang Easy Profiling (eep) application provides a way to analyze application performance and call hierarchy
efene https://github.com/efene/efene https://github.com/efene/efene Alternative syntax for the Erlang Programming Language focusing on simplicity, ease of use and programmer UX
eganglia https://github.com/inaka/eganglia https://github.com/inaka/eganglia Erlang library to interact with Ganglia
egeoip https://github.com/mochi/egeoip https://github.com/mochi/egeoip Erlang IP Geolocation module, currently supporting the MaxMind GeoLite City Database.
ehsa https://bitbucket.org/a12n/ehsa https://bitbucket.org/a12n/ehsa Erlang HTTP server basic and digest authentication modules
ej https://github.com/seth/ej https://github.com/seth/ej Helper module for working with Erlang terms representing JSON
ekaf https://github.com/helpshift/ekaf https://github.com/helpshift/ekaf A minimal, high-performance Kafka client in Erlang.
elarm https://github.com/esl/elarm https://github.com/esl/elarm Alarm Manager for Erlang.
eleveldb https://github.com/basho/eleveldb https://github.com/basho/eleveldb Erlang LevelDB API
elli https://github.com/knutin/elli https://github.com/knutin/elli Simple, robust and performant Erlang web server
elvis https://github.com/inaka/elvis https://github.com/inaka/elvis Erlang Style Reviewer
emagick https://github.com/kivra/emagick https://github.com/kivra/emagick Wrapper for Graphics/ImageMagick command line tool.
emysql https://github.com/Eonblast/Emysql https://github.com/Eonblast/Emysql Stable, pure Erlang MySQL driver.
enm https://github.com/basho/enm https://github.com/basho/enm Erlang driver for nanomsg
entop https://github.com/mazenharake/entop https://github.com/mazenharake/entop A top-like tool for monitoring an Erlang node
epcap https://github.com/msantos/epcap https://github.com/msantos/epcap Erlang packet capture interface using pcap
eper https://github.com/massemanet/eper https://github.com/massemanet/eper Erlang performance and debugging tools.
epgsql https://github.com/epgsql/epgsql https://github.com/epgsql/epgsql Erlang PostgreSQL client library.
episcina https://github.com/erlware/episcina https://github.com/erlware/episcina A simple non intrusive resource pool for connections
eplot https://github.com/psyeugenic/eplot https://github.com/psyeugenic/eplot A plot engine written in erlang.
epocxy https://github.com/duomark/epocxy https://github.com/duomark/epocxy Erlang Patterns of Concurrency
epubnub https://github.com/tsloughter/epubnub https://github.com/tsloughter/epubnub Erlang PubNub API
eredis https://github.com/wooga/eredis https://github.com/wooga/eredis Erlang Redis client
eredis_pool https://github.com/hiroeorz/eredis_pool https://github.com/hiroeorz/eredis_pool eredis_pool is Pool of Redis clients, using eredis and poolboy.
erlang_js https://github.com/basho/erlang_js https://github.com/basho/erlang_js A linked-in driver for Erlang to Mozilla's Spidermonkey Javascript runtime.
erlang_localtime https://github.com/dmitryme/erlang_localtime https://github.com/dmitryme/erlang_localtime Erlang library for conversion from one local time to another
erlang_smtp https://github.com/tonyg/erlang-smtp https://github.com/tonyg/erlang-smtp Erlang SMTP and POP3 server code.
erlasticsearch https://github.com/dieswaytoofast/erlasticsearch https://github.com/dieswaytoofast/erlasticsearch Erlang thrift interface to elastic_search
erlastic_search https://github.com/tsloughter/erlastic_search https://github.com/tsloughter/erlastic_search An Erlang app for communicating with Elastic Search's rest interface.
erlbrake https://github.com/kenpratt/erlbrake https://github.com/kenpratt/erlbrake Erlang Airbrake notification client
erlcloud https://github.com/gleber/erlcloud https://github.com/gleber/erlcloud Cloud Computing library for erlang (Amazon EC2, S3, SQS, SimpleDB, Mechanical Turk, ELB)
erlcron https://github.com/erlware/erlcron https://github.com/erlware/erlcron Erlang cronish system
erldb https://github.com/erldb/erldb http://erldb.org ORM (Object-relational mapping) application implemented in Erlang
erldis https://github.com/cstar/erldis https://github.com/cstar/erldis redis erlang client library
erldns https://github.com/aetrion/erl-dns https://github.com/aetrion/erl-dns DNS server, in erlang.
erldocker https://github.com/proger/erldocker https://github.com/proger/erldocker Docker Remote API client for Erlang
erlfsmon https://github.com/proger/erlfsmon https://github.com/proger/erlfsmon Erlang filesystem event watcher for Linux and OSX
erlgit https://github.com/gleber/erlgit https://github.com/gleber/erlgit Erlang convenience wrapper around git executable
erlguten https://github.com/richcarl/erlguten https://github.com/richcarl/erlguten ErlGuten is a system for high-quality typesetting, written purely in Erlang.
erlmc https://github.com/jkvor/erlmc https://github.com/jkvor/erlmc Erlang memcached binary protocol client
erlog https://github.com/rvirding/erlog https://github.com/rvirding/erlog Prolog interpreter in and for Erlang
erlpass https://github.com/ferd/erlpass https://github.com/ferd/erlpass A library to handle password hashing and changing in a safe manner, independent from any kind of storage whatsoever.
erlport https://github.com/hdima/erlport https://github.com/hdima/erlport ErlPort - connect Erlang to other languages
erlsh https://github.com/proger/erlsh https://github.com/proger/erlsh Erlang shell tools
erlsom https://github.com/willemdj/erlsom https://github.com/willemdj/erlsom XML parser for Erlang
erl_streams https://github.com/epappas/erl_streams https://github.com/epappas/erl_streams Streams in Erlang
erlubi https://github.com/krestenkrab/erlubi https://github.com/krestenkrab/erlubi Ubigraph Erlang Client (and Process Visualizer)
erlvolt https://github.com/VoltDB/voltdb-client-erlang https://github.com/VoltDB/voltdb-client-erlang VoltDB Erlang Client Driver
erlware_commons https://github.com/erlware/erlware_commons https://github.com/erlware/erlware_commons Erlware Commons is an Erlware project focused on all aspects of reusable Erlang components.
erlydtl https://github.com/erlydtl/erlydtl https://github.com/erlydtl/erlydtl Django Template Language for Erlang.
errd https://github.com/archaelus/errd https://github.com/archaelus/errd Erlang RRDTool library
erserve https://github.com/del/erserve https://github.com/del/erserve Erlang/Rserve communication interface
erwa https://github.com/bwegh/erwa https://github.com/bwegh/erwa A WAMP router and client written in Erlang.
espec https://github.com/lucaspiller/espec https://github.com/lucaspiller/espec ESpec: Behaviour driven development framework for Erlang
estatsd https://github.com/RJ/estatsd https://github.com/RJ/estatsd Erlang stats aggregation app that periodically flushes data to graphite
etap https://github.com/ngerakines/etap https://github.com/ngerakines/etap etap is a simple erlang testing library that provides TAP compliant output.
etest https://github.com/wooga/etest https://github.com/wooga/etest A lightweight, convention over configuration test framework for Erlang
etest_http https://github.com/wooga/etest_http https://github.com/wooga/etest_http etest Assertions around HTTP (client-side)
etoml https://github.com/kalta/etoml https://github.com/kalta/etoml TOML language erlang parser
eunit_formatters https://github.com/seancribbs/eunit_formatters https://github.com/seancribbs/eunit_formatters Because eunit's output sucks. Let's make it better.
eunit https://github.com/richcarl/eunit https://github.com/richcarl/eunit The EUnit lightweight unit testing framework for Erlang - this is the canonical development repository.
euthanasia https://github.com/doubleyou/euthanasia https://github.com/doubleyou/euthanasia Merciful killer for your Erlang processes
exec https://github.com/saleyn/erlexec http://saleyn.github.com/erlexec Execute and control OS processes from Erlang/OTP.
exml https://github.com/paulgray/exml https://github.com/paulgray/exml XML parsing library in Erlang
exmpp https://github.com/processone/exmpp https://github.com/processone/exmpp Erlang XMPP library
exometer https://github.com/Feuerlabs/exometer https://github.com/Feuerlabs/exometer Basic measurement objects and probe behavior
exs1024 https://github.com/jj1bdx/exs1024 https://github.com/jj1bdx/exs1024 Xorshift1024star pseudo random number generator for Erlang.
exs64 https://github.com/jj1bdx/exs64 https://github.com/jj1bdx/exs64 Xorshift64star pseudo random number generator for Erlang.
exsplus116 https://github.com/jj1bdx/exsplus116 https://github.com/jj1bdx/exsplus116 Xorshift116plus for Erlang
exsplus128 https://github.com/jj1bdx/exsplus128 https://github.com/jj1bdx/exsplus128 Xorshift128plus pseudo random number generator for Erlang.
ezmq https://github.com/RoadRunnr/ezmq https://github.com/RoadRunnr/ezmq zMQ implemented in Erlang
ezmtp https://github.com/a13x/ezmtp https://github.com/a13x/ezmtp ZMTP protocol in pure Erlang.
fast_disk_log https://github.com/lpgauth/fast_disk_log https://github.com/lpgauth/fast_disk_log Pool-based asynchronous Erlang disk logger
feeder https://github.com/michaelnisi/feeder https://github.com/michaelnisi/feeder Stream parse RSS and Atom formatted XML feeds.
fix https://github.com/maxlapshin/fix https://github.com/maxlapshin/fix http://fixprotocol.org/ implementation.
flower https://github.com/travelping/flower https://github.com/travelping/flower FlowER - a Erlang OpenFlow development platform
fn https://github.com/reiddraper/fn https://github.com/reiddraper/fn Function utilities for Erlang
folsom_cowboy https://github.com/boundary/folsom_cowboy https://github.com/boundary/folsom_cowboy A Cowboy based Folsom HTTP Wrapper.
folsom https://github.com/boundary/folsom https://github.com/boundary/folsom Expose Erlang Events and Metrics
folsomite https://github.com/campanja/folsomite https://github.com/campanja/folsomite blow up your graphite / riemann server with folsom metrics
fs https://github.com/synrc/fs https://github.com/synrc/fs Erlang FileSystem Listener
fuse https://github.com/jlouis/fuse https://github.com/jlouis/fuse A Circuit Breaker for Erlang
gcm https://github.com/pdincau/gcm-erlang https://github.com/pdincau/gcm-erlang An Erlang application for Google Cloud Messaging
gcprof https://github.com/knutin/gcprof https://github.com/knutin/gcprof Garbage Collection profiler for Erlang
geas https://github.com/crownedgrouse/geas https://github.com/crownedgrouse/geas Guess Erlang Application Scattering
gen_cycle https://github.com/aerosol/gen_cycle https://github.com/aerosol/gen_cycle Simple, generic OTP behaviour for recurring tasks
gen_icmp https://github.com/msantos/gen_icmp https://github.com/msantos/gen_icmp Erlang interface to ICMP sockets
gen_nb_server https://github.com/kevsmith/gen_nb_server https://github.com/kevsmith/gen_nb_server OTP behavior for writing non-blocking servers
gen_paxos https://github.com/gburd/gen_paxos https://github.com/gburd/gen_paxos An Erlang/OTP-style implementation of the PAXOS distributed consensus protocol
gen_smtp https://github.com/Vagabond/gen_smtp https://github.com/Vagabond/gen_smtp A generic Erlang SMTP server and client that can be extended via callback modules
gen_tracker https://github.com/erlyvideo/gen_tracker https://github.com/erlyvideo/gen_tracker supervisor with ets handling of children and their metadata
gen_unix https://github.com/msantos/gen_unix https://github.com/msantos/gen_unix Erlang Unix socket interface
getopt https://github.com/jcomellas/getopt https://github.com/jcomellas/getopt Module to parse command line arguments using the GNU getopt syntax
gettext https://github.com/etnt/gettext https://github.com/etnt/gettext Erlang internationalization library.
gin https://github.com/mad-cocktail/gin https://github.com/mad-cocktail/gin The guards and for Erlang parse_transform
gitty https://github.com/maxlapshin/gitty https://github.com/maxlapshin/gitty Git access in erlang
gpb https://github.com/tomas-abrahamsson/gpb https://github.com/tomas-abrahamsson/gpb A Google Protobuf implementation for Erlang
gproc https://github.com/uwiger/gproc https://github.com/uwiger/gproc Extended process registry for Erlang
grapherl https://github.com/eproxus/grapherl https://github.com/eproxus/grapherl Create graphs of Erlang systems and programs
gun https://github.com/ninenines/gun http//ninenines.eu Asynchronous SPDY, HTTP and Websocket client written in Erlang.
hackney https://github.com/benoitc/hackney https://github.com/benoitc/hackney simple HTTP client in Erlang
hanoidb https://github.com/krestenkrab/hanoidb https://github.com/krestenkrab/hanoidb Erlang LSM BTree Storage
hottub https://github.com/bfrog/hottub https://github.com/bfrog/hottub Permanent Erlang Worker Pool
hyper https://github.com/GameAnalytics/hyper https://github.com/GameAnalytics/hyper Erlang implementation of HyperLogLog
ibrowse https://github.com/cmullaparthi/ibrowse https://github.com/cmullaparthi/ibrowse Erlang HTTP client
ierlang https://github.com/robbielynch/ierlang https://github.com/robbielynch/ierlang An Erlang language kernel for IPython.
iota https://github.com/jpgneves/iota https://github.com/jpgneves/iota iota (Inter-dependency Objective Testing Apparatus) - a tool to enforce clean separation of responsibilities in Erlang code
ircbot https://github.com/gdamjan/erlang-irc-bot https://github.com/gdamjan/erlang-irc-bot A simple extendable irc bot in Erlang
ircd https://github.com/tonyg/erlang-ircd https://github.com/tonyg/erlang-ircd A pluggable IRC daemon application/library for Erlang.
irc_lib https://github.com/OtpChatBot/irc_lib https://github.com/OtpChatBot/irc_lib Erlang irc client library
iris https://github.com/project-iris/iris-erl https://github.com/project-iris/iris-erl Iris Erlang binding
iso8601 https://github.com/seansawyer/erlang_iso8601 https://github.com/seansawyer/erlang_iso8601 Erlang ISO 8601 date formatter/parser
itweet https://github.com/inaka/itweet http://inaka.github.com/itweet/ Twitter Stream API on ibrowse
jerg https://github.com/ddossot/jerg https://github.com/ddossot/jerg JSON Schema to Erlang Records Generator
jesse https://github.com/klarna/jesse https://github.com/klarna/jesse jesse (JSon Schema Erlang) is an implementation of a json schema validator for Erlang.
jiffy https://github.com/davisp/jiffy https://github.com/davisp/jiffy JSON NIFs for Erlang.
jiffy_v https://github.com/shizzard/jiffy-v https://github.com/shizzard/jiffy-v JSON validation utility
jobs https://github.com/esl/jobs https://github.com/esl/jobs a Job scheduler for load regulation
joxa https://github.com/joxa/joxa https://github.com/joxa/joxa A Modern Lisp for the Erlang VM
jsonerl https://github.com/lambder/jsonerl https://github.com/lambder/jsonerl yet another but slightly different erlang <-> json encoder/decoder
json https://github.com/talentdeficit/json https://github.com/talentdeficit/json a high level json library for erlang (17.0+)
jsonpath https://github.com/GeneStevens/jsonpath https://github.com/GeneStevens/jsonpath Fast Erlang JSON data retrieval and updates via javascript-like notation
json_rec https://github.com/justinkirby/json_rec https://github.com/justinkirby/json_rec JSON to erlang record
jsonx https://github.com/iskra/jsonx https://github.com/iskra/jsonx JSONX is an Erlang library for efficient decode and encode JSON, written in C.
jsx https://github.com/talentdeficit/jsx https://github.com/talentdeficit/jsx An Erlang application for consuming, producing and manipulating JSON.
kafka https://github.com/wooga/kafka-erlang https://github.com/wooga/kafka-erlang Kafka consumer and producer in Erlang
kai https://github.com/synrc/kai https://github.com/synrc/kai DHT storage by Takeshi Inoue
katja https://github.com/nifoc/katja https://github.com/nifoc/katja A simple Riemann client written in Erlang.
kdht https://github.com/kevinlynx/kdht https://github.com/kevinlynx/kdht kdht is an erlang DHT implementation
kjell https://github.com/karlll/kjell https://github.com/karlll/kjell Erlang Shell
kraken https://github.com/Asana/kraken https://github.com/Asana/kraken Distributed Pubsub Server for Realtime Apps
kucumberl https://github.com/openshine/kucumberl https://github.com/openshine/kucumberl A pure-erlang, open-source, implementation of Cucumber
kvc https://github.com/etrepum/kvc https://github.com/etrepum/kvc KVC - Key Value Coding for Erlang data structures
kvlists https://github.com/jcomellas/kvlists https://github.com/jcomellas/kvlists Lists of key-value pairs (decoded JSON) in Erlang
kvs https://github.com/synrc/kvs https://github.com/synrc/kvs Container and Iterator
lager_amqp_backend https://github.com/jbrisbin/lager_amqp_backend https://github.com/jbrisbin/lager_amqp_backend AMQP RabbitMQ Lager backend
lager https://github.com/basho/lager https://github.com/basho/lager A logging framework for Erlang/OTP.
lager_syslog https://github.com/basho/lager_syslog https://github.com/basho/lager_syslog Syslog backend for lager
lambdapad https://github.com/gar1t/lambdapad https://github.com/gar1t/lambdapad Static site generator using Erlang. Yes, Erlang.
lasse https://github.com/inaka/lasse https://github.com/inaka/lasse SSE handler for Cowboy
ldap https://github.com/spawnproc/ldap https://github.com/spawnproc/ldap LDAP server written in Erlang
lethink https://github.com/taybin/lethink https://github.com/taybin/lethink erlang driver for rethinkdb
lfe https://github.com/rvirding/lfe https://github.com/rvirding/lfe Lisp Flavoured Erlang (LFE)
ling https://github.com/cloudozer/ling https://github.com/cloudozer/ling Erlang on Xen
live https://github.com/ninenines/live http://ninenines.eu Automated module and configuration reloader.
lmq https://github.com/iij/lmq https://github.com/iij/lmq Lightweight Message Queue
locker https://github.com/wooga/locker https://github.com/wooga/locker Atomic distributed 'check and set' for short-lived keys
locks https://github.com/uwiger/locks https://github.com/uwiger/locks A scalable, deadlock-resolving resource locker
log4erl https://github.com/ahmednawras/log4erl https://github.com/ahmednawras/log4erl A logger for erlang in the spirit of Log4J.
lol https://github.com/b0oh/lol https://github.com/b0oh/lol Lisp on erLang, and programming is fun again
lucid https://github.com/tatsuhiro-t/lucid https://github.com/tatsuhiro-t/lucid HTTP/2 server written in Erlang
luerl https://github.com/rvirding/luerl https://github.com/rvirding/luerl Lua in Erlang
luwak https://github.com/basho/luwak https://github.com/basho/luwak Large-object storage interface for Riak
mad https://github.com/synrc/mad https://github.com/synrc/mad Small and Fast Rebar Replacement
mavg https://github.com/EchoTeam/mavg https://github.com/EchoTeam/mavg Erlang :: Exponential moving average library
mcd https://github.com/EchoTeam/mcd https://github.com/EchoTeam/mcd Fast memcached protocol client in pure Erlang
mcerlang https://github.com/fredlund/McErlang https://github.com/fredlund/McErlang The McErlang model checker for Erlang
mc_erl https://github.com/clonejo/mc-erl https://github.com/clonejo/mc-erl mc-erl is a server for Minecraft 1.4.7 written in Erlang.
meck https://github.com/eproxus/meck https://github.com/eproxus/meck A mocking library for Erlang
mekao https://github.com/ddosia/mekao https://github.com/ddosia/mekao SQL constructor
merge_index https://github.com/basho/merge_index https://github.com/basho/merge_index MergeIndex is an Erlang library for storing ordered sets on disk. It is very similar to an SSTable (in Google's Bigtable) or an HFile (in Hadoop).
merl https://github.com/richcarl/merl https://github.com/richcarl/merl Metaprogramming in Erlang
mimetypes https://github.com/spawngrid/mimetypes https://github.com/spawngrid/mimetypes Erlang MIME types library
mixer https://github.com/chef/mixer https://github.com/chef/mixer Mix in functions from other modules
mochiweb https://github.com/mochi/mochiweb https://github.com/mochi/mochiweb MochiWeb is an Erlang library for building lightweight HTTP servers.
mochiweb_xpath https://github.com/retnuh/mochiweb_xpath https://github.com/retnuh/mochiweb_xpath XPath support for mochiweb's html parser
mockgyver https://github.com/klajo/mockgyver https://github.com/klajo/mockgyver A mocking library for Erlang
modlib https://github.com/gar1t/modlib https://github.com/gar1t/modlib Web framework based on Erlang's inets httpd
mongodb https://github.com/comtihon/mongodb-erlang https://github.com/comtihon/mongodb-erlang MongoDB driver for Erlang
mongooseim https://github.com/esl/MongooseIM https://www.erlang-solutions.com/products/mongooseim-massively-scalable-ejabberd-platform Jabber / XMPP server with focus on performance and scalability, by Erlang Solutions
moyo https://github.com/dwango/moyo https://github.com/dwango/moyo Erlang utility functions library
msgpack https://github.com/msgpack/msgpack-erlang https://github.com/msgpack/msgpack-erlang MessagePack (de)serializer implementation for Erlang
mustache https://github.com/mojombo/mustache.erl https://github.com/mojombo/mustache.erl Mustache template engine for Erlang.
myproto https://github.com/altenwald/myproto https://github.com/altenwald/myproto MySQL Server Protocol in Erlang
mysql https://github.com/dizzyd/erlang-mysql-driver https://github.com/dizzyd/erlang-mysql-driver Erlang MySQL Driver (from code.google.com)
n2o https://github.com/5HT/n2o https://github.com/5HT/n2o WebSocket Application Server
nat_upnp https://github.com/benoitc/nat_upnp https://github.com/benoitc/nat_upnp Erlang library to map your internal port to an external using UNP IGD
neo4j https://github.com/dmitriid/neo4j-erlang https://github.com/dmitriid/neo4j-erlang Erlang client library for Neo4J.
neotoma https://github.com/seancribbs/neotoma https://github.com/seancribbs/neotoma Erlang library and packrat parser-generator for parsing expression grammars.
newrelic https://github.com/wooga/newrelic-erlang https://github.com/wooga/newrelic-erlang Erlang library for sending metrics to New Relic
nifty https://github.com/parapluu/nifty https://github.com/parapluu/nifty Erlang NIF wrapper generator
nkdocker https://github.com/Nekso/nkdocker https://github.com/Nekso/nkdocker Erlang Docker client
nkpacket https://github.com/Nekso/nkpacket https://github.com/Nekso/nkpacket Generic Erlang transport layer
nodefinder https://github.com/okeuday/nodefinder https://github.com/erlanger/nodefinder automatic node discovery via UDP multicast
oauth2c https://github.com/kivra/oauth2_client https://github.com/kivra/oauth2_client Erlang OAuth2 Client
oauth2 https://github.com/kivra/oauth2 https://github.com/kivra/oauth2 Erlang Oauth2 implementation
oauth https://github.com/tim/erlang-oauth https://github.com/tim/erlang-oauth An Erlang OAuth 1.0 implementation
of_protocol https://github.com/FlowForwarding/of_protocol https://github.com/FlowForwarding/of_protocol OpenFlow Protocol Library for Erlang
openflow https://github.com/renatoaguiar/erlang-openflow https://github.com/renatoaguiar/erlang-openflow An OpenFlow controller written in pure erlang
openid https://github.com/brendonh/erl_openid https://github.com/brendonh/erl_openid Erlang OpenID
openpoker https://github.com/hpyhacking/openpoker https://github.com/hpyhacking/openpoker Genesis Texas hold'em Game Server
pal https://github.com/manifest/pal https://github.com/manifest/pal Pragmatic Authentication Library
parse_trans https://github.com/uwiger/parse_trans https://github.com/uwiger/parse_trans Parse transform utilities for Erlang
parsexml https://github.com/maxlapshin/parsexml https://github.com/maxlapshin/parsexml Simple DOM XML parser with convenient and very simple API
pegjs https://github.com/dmitriid/pegjs https://github.com/dmitriid/pegjs An implementation of PEG.js grammar for Erlang.
percept2 https://github.com/huiqing/percept2 https://github.com/huiqing/percept2 Concurrent profiling tool for Erlang
pgsql https://github.com/semiocast/pgsql https://github.com/semiocast/pgsql Erlang PostgreSQL driver
pkgx https://github.com/arjan/pkgx https://github.com/arjan/pkgx Build .deb packages from Erlang releases
pkt https://github.com/msantos/pkt https://github.com/msantos/pkt Erlang network protocol library
plain_fsm https://github.com/uwiger/plain_fsm https://github.com/uwiger/plain_fsm A behaviour/support library for writing plain Erlang FSMs.
pmod_transform https://github.com/erlang/pmod_transform https://github.com/erlang/pmod_transform Parse transform for parameterized modules
pobox https://github.com/ferd/pobox https://github.com/ferd/pobox External buffer processes to protect against mailbox overflow in Erlang
ponos https://github.com/klarna/ponos https://github.com/klarna/ponos ponos is a simple yet powerful load generator written in erlang
poolboy https://github.com/devinus/poolboy https://github.com/devinus/poolboy A hunky Erlang worker pool factory
pooler https://github.com/seth/pooler https://github.com/seth/pooler An OTP Process Pool Application
pqueue https://github.com/okeuday/pqueue https://github.com/okeuday/pqueue Erlang Priority Queues
procket https://github.com/msantos/procket http://blog.listincomprehension.com/search/label/procket Erlang interface to low level socket operations
proper https://github.com/manopapad/proper http://proper.softlab.ntua.gr PropEr: a QuickCheck-inspired property-based testing tool for Erlang.
props https://github.com/greyarea/props https://github.com/greyarea/props Property structure library
protobuffs https://github.com/basho/erlang_protobuffs https://github.com/basho/erlang_protobuffs An implementation of Google's Protocol Buffers for Erlang, based on ngerakines/erlang_protobuffs.
psycho https://github.com/gar1t/psycho https://github.com/gar1t/psycho HTTP server that provides a WSGI-like interface for applications and middleware.
ptrackerl https://github.com/inaka/ptrackerl https://github.com/inaka/ptrackerl Pivotal Tracker API Client written in Erlang
purity https://github.com/mpitid/purity https://github.com/mpitid/purity A side-effect analyzer for Erlang
push_service https://github.com/hairyhum/push_service https://github.com/hairyhum/push_service Push service
qdate https://github.com/choptastic/qdate https://github.com/choptastic/qdate Date, time, and timezone parsing, formatting, and conversion for Erlang.
qrcode https://github.com/komone/qrcode https://github.com/komone/qrcode QR Code encoder in Erlang
quest https://github.com/eriksoe/ErlangQuest https://github.com/eriksoe/ErlangQuest Learn Erlang through this set of challenges. An interactive system for getting to know Erlang.
rabbit_exchange_type_riak https://github.com/jbrisbin/riak-exchange https://github.com/jbrisbin/riak-exchange Custom RabbitMQ exchange type for sticking messages in Riak
rack https://github.com/erlyvideo/rack https://github.com/erlyvideo/rack Rack handler for erlang
radierl https://github.com/vances/radierl https://github.com/vances/radierl RADIUS protocol stack implemented in Erlang.
rafter https://github.com/andrewjstone/rafter https://github.com/andrewjstone/rafter An Erlang library application which implements the Raft consensus protocol
ranch https://github.com/ninenines/ranch http://ninenines.eu Socket acceptor pool for TCP protocols.
rbeacon https://github.com/refuge/rbeacon https://github.com/refuge/rbeacon LAN discovery and presence in Erlang.
rebar https://github.com/rebar/rebar3 http://www.rebar3.org Erlang build tool that makes it easy to compile and test Erlang applications, port drivers and releases.
rec2json https://github.com/lordnull/rec2json https://github.com/lordnull/rec2json Compile erlang record definitions into modules to convert them to/from json easily.
recon https://github.com/ferd/recon https://github.com/ferd/recon Collection of functions and scripts to debug Erlang in production.
record_info https://github.com/bipthelin/erlang-record_info https://github.com/bipthelin/erlang-record_info Convert between record and proplist
redgrid https://github.com/jkvor/redgrid https://github.com/jkvor/redgrid automatic Erlang node discovery via redis
redo https://github.com/jkvor/redo https://github.com/jkvor/redo pipelined erlang redis client
relx https://github.com/erlware/relx https://github.com/erlware/relx Sane, simple release creation for Erlang
resource_discovery https://github.com/erlware/resource_discovery http://erlware.org/ An application used to dynamically discover resources present in an Erlang node cluster.
restc https://github.com/kivra/restclient https://github.com/kivra/restclient Erlang Rest Client
rfc4627_jsonrpc https://github.com/tonyg/erlang-rfc4627 https://github.com/tonyg/erlang-rfc4627 Erlang RFC4627 (JSON) codec and JSON-RPC server implementation.
riakc https://github.com/basho/riak-erlang-client https://github.com/basho/riak-erlang-client Erlang clients for Riak.
riak_core https://github.com/basho/riak_core https://github.com/basho/riak_core Distributed systems infrastructure used by Riak.
riak_dt https://github.com/basho/riak_dt https://github.com/basho/riak_dt Convergent replicated datatypes in Erlang
riak_ensemble https://github.com/basho/riak_ensemble https://github.com/basho/riak_ensemble Multi-Paxos framework in Erlang
riakhttpc https://github.com/basho/riak-erlang-http-client https://github.com/basho/riak-erlang-http-client Riak Erlang client using the HTTP interface
riak_kv https://github.com/basho/riak_kv https://github.com/basho/riak_kv Riak Key/Value Store
riaknostic https://github.com/basho/riaknostic https://github.com/basho/riaknostic A diagnostic tool for Riak installations, to find common errors asap
riak_pg https://github.com/cmeiklejohn/riak_pg https://github.com/cmeiklejohn/riak_pg Distributed process groups with riak_core.
riak_pipe https://github.com/basho/riak_pipe https://github.com/basho/riak_pipe Riak Pipelines
riakpool https://github.com/dweldon/riakpool https://github.com/dweldon/riakpool erlang riak client pool
riak_sysmon https://github.com/basho/riak_sysmon https://github.com/basho/riak_sysmon Simple OTP app for managing Erlang VM system_monitor event messages
rivus_cep https://github.com/vascokk/rivus_cep https://github.com/vascokk/rivus_cep Complex event processing in Erlang
rlimit https://github.com/jlouis/rlimit https://github.com/jlouis/rlimit Magnus Klaar's rate limiter code from etorrent
safetyvalve https://github.com/jlouis/safetyvalve https://github.com/jlouis/safetyvalve A safety valve for your erlang node
seestar https://github.com/iamaleksey/seestar https://github.com/iamaleksey/seestar The Erlang client for Cassandra 1.2+ binary protocol
setup https://github.com/uwiger/setup https://github.com/uwiger/setup Generic setup utility for Erlang-based systems
sext https://github.com/uwiger/sext https://github.com/uwiger/sext Sortable Erlang Term Serialization
sfmt https://github.com/jj1bdx/sfmt-erlang https://github.com/jj1bdx/sfmt-erlang SFMT pseudo random number generator for Erlang.
sgte https://github.com/filippo/sgte https://github.com/filippo/sgte A simple Erlang Template Engine
sheriff https://github.com/extend/sheriff http://ninenines.eu Parse transform for type based validation.
shotgun https://github.com/inaka/shotgun https://github.com/inaka/shotgun better than just a gun
sidejob https://github.com/basho/sidejob https://github.com/basho/sidejob Parallel worker and capacity limiting library for Erlang
sieve https://github.com/benoitc/sieve https://github.com/benoitc/sieve sieve is a simple TCP routing proxy (layer 7) in erlang
sighandler https://github.com/jkingsbery/sighandler https://github.com/jkingsbery/sighandler Handle UNIX signals in Er lang
simhash https://github.com/ferd/simhash https://github.com/ferd/simhash Simhashing for Erlang -- hashing algorithm to find near-duplicates in binary data.
simple_bridge https://github.com/nitrogen/simple_bridge https://github.com/nitrogen/simple_bridge A simple, standardized interface library to Erlang HTTP Servers.
simple_oauth2 https://github.com/virtan/simple_oauth2 https://github.com/virtan/simple_oauth2 Simple erlang OAuth2 client module for any http server framework (Google, Facebook, Yandex, Vkontakte are preconfigured)
skel https://github.com/ParaPhrase/skel https://github.com/ParaPhrase/skel A Streaming Process-based Skeleton Library for Erlang
social https://github.com/dvv/social https://github.com/dvv/social Cowboy handler for social login via OAuth2 providers
spapi_router https://github.com/spilgames/spapi-router https://github.com/spilgames/spapi-router Partially-connected Erlang clustering
sqerl https://github.com/hairyhum/sqerl https://github.com/hairyhum/sqerl An Erlang-flavoured SQL DSL
srly https://github.com/msantos/srly https://github.com/msantos/srly Native Erlang Unix serial interface
sshrpc https://github.com/jj1bdx/sshrpc https://github.com/jj1bdx/sshrpc Erlang SSH RPC module (experimental)
stable https://github.com/dvv/stable https://github.com/dvv/stable Library of assorted helpers for Cowboy web server.
statebox https://github.com/mochi/statebox https://github.com/mochi/statebox Erlang state monad with merge/conflict-resolution capabilities. Useful for Riak.
statebox_riak https://github.com/mochi/statebox_riak https://github.com/mochi/statebox_riak Convenience library that makes it easier to use statebox with riak, extracted from best practices in our production code at Mochi Media.
statman https://github.com/knutin/statman https://github.com/knutin/statman Efficiently collect massive volumes of metrics inside the Erlang VM
statsderl https://github.com/lpgauth/statsderl https://github.com/lpgauth/statsderl StatsD client (erlang)
stdinout_pool https://github.com/mattsta/erlang-stdinout-pool https://github.com/mattsta/erlang-stdinout-pool stdinout_pool : stuff goes in, stuff goes out. there's never any miscommunication.
stockdb https://github.com/maxlapshin/stockdb https://github.com/maxlapshin/stockdb Database for storing Stock Exchange quotes in erlang
stripe https://github.com/mattsta/stripe-erlang https://github.com/mattsta/stripe-erlang Erlang interface to the stripe.com API
swab https://github.com/crownedgrouse/swab https://github.com/crownedgrouse/swab General purpose buffer handling module
swarm https://github.com/jeremey/swarm https://github.com/jeremey/swarm Fast and simple acceptor pool for Erlang
switchboard https://github.com/thusfresh/switchboard https://github.com/thusfresh/switchboard A framework for processing email using worker plugins.
sync https://github.com/rustyio/sync https://github.com/rustyio/sync On-the-fly recompiling and reloading in Erlang.
syntaxerl https://github.com/ten0s/syntaxerl https://github.com/ten0s/syntaxerl Syntax checker for Erlang
syslog https://github.com/Vagabond/erlang-syslog https://github.com/Vagabond/erlang-syslog Erlang port driver for interacting with syslog via syslog(3)
taskforce https://github.com/g-andrade/taskforce https://github.com/g-andrade/taskforce Erlang worker pools for controlled parallelisation of arbitrary tasks.
tddreloader https://github.com/version2beta/tddreloader https://github.com/version2beta/tddreloader Shell utility for recompiling, reloading, and testing code as it changes
tempo https://github.com/selectel/tempo https://github.com/selectel/tempo NIF-based date and time parsing and formatting for Erlang.
ticktick https://github.com/ericliang/ticktick https://github.com/ericliang/ticktick Ticktick is an id generator for message service.
tinymq https://github.com/ChicagoBoss/tinymq https://github.com/ChicagoBoss/tinymq TinyMQ - a diminutive, in-memory message queue
tinymt https://github.com/jj1bdx/tinymt-erlang https://github.com/jj1bdx/tinymt-erlang TinyMT pseudo random number generator for Erlang.
trane https://github.com/massemanet/trane https://github.com/massemanet/trane SAX style broken HTML parser in Erlang
transit https://github.com/isaiah/transit-erlang https://github.com/isaiah/transit-erlang transit format for erlang
trie https://github.com/okeuday/trie https://github.com/okeuday/trie Erlang Trie Implementation
triq https://github.com/krestenkrab/triq https://github.com/krestenkrab/triq Trifork QuickCheck
tsung https://github.com/processone/tsung https://github.com/processone/tsung Tsung is a high-performance benchmark framework for various protocols including HTTP, XMPP, LDAP, etc.
tunctl https://github.com/msantos/tunctl https://github.com/msantos/tunctl Erlang TUN/TAP interface
twerl https://github.com/lucaspiller/twerl https://github.com/lucaspiller/twerl Erlang client for the Twitter Streaming API
twitter_erlang https://github.com/ngerakines/erlang_twitter https://github.com/ngerakines/erlang_twitter An Erlang twitter client
ucol_nif https://github.com/refuge/ucol_nif https://github.com/refuge/ucol_nif ICU based collation Erlang module
unicorn https://github.com/shizzard/unicorn https://github.com/shizzard/unicorn Generic configuration server
unsplit https://github.com/uwiger/unsplit https://github.com/uwiger/unsplit Resolves conflicts in Mnesia after network splits
uuid https://github.com/okeuday/uuid https://github.com/okeuday/uuid Erlang UUID Implementation
ux https://github.com/erlang-unicode/ux https://github.com/erlang-unicode/ux Unicode eXtention for Erlang (Strings, Collation)
vert https://github.com/msantos/erlang-libvirt https://github.com/msantos/erlang-libvirt Erlang binding to libvirt virtualization API
vmstats https://github.com/ferd/vmstats https://github.com/ferd/vmstats tiny Erlang app that works in conjunction with statsderl in order to generate information on the Erlang VM for graphite logs.
walrus https://github.com/devinus/walrus https://github.com/devinus/walrus Walrus - Mustache-like Templating
webmachine https://github.com/basho/webmachine https://github.com/basho/webmachine A REST-based system for building web applications.
websocket_client https://github.com/jeremyong/websocket_client https://github.com/jeremyong/websocket_client Erlang websocket client (ws and wss supported)
worker_pool https://github.com/inaka/worker_pool https://github.com/inaka/worker_pool a simple erlang worker pool
wsock https://github.com/madtrick/wsock https://github.com/madtrick/wsock Erlang library to build WebSocket clients and servers
xref_runner https://github.com/inaka/xref_runner https://github.com/inaka/xref_runner Erlang Xref Runner (inspired in rebar xref)
yamerl https://github.com/yakaz/yamerl https://github.com/yakaz/yamerl YAML 1.2 parser in pure Erlang
yamler https://github.com/goertzenator/yamler https://github.com/goertzenator/yamler libyaml-based yaml loader for Erlang
yaws https://github.com/klacke/yaws http://yaws.hyber.org Yaws webserver
zab_engine https://github.com/xinmingyao/zab_engine https://github.com/xinmingyao/zab_engine zab propotocol implement by erlang
zeta https://github.com/s1n4/zeta https://github.com/s1n4/zeta HTTP access log parser in Erlang
zippers https://github.com/ferd/zippers https://github.com/ferd/zippers A library for functional zipper data structures in Erlang. Read more on zippers
zlists https://github.com/vjache/erlang-zlists https://github.com/vjache/erlang-zlists Erlang lazy lists library.
zucchini https://github.com/devinus/zucchini https://github.com/devinus/zucchini An Erlang INI parser