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
binpp	https://github.com/jtendo/binpp	https://github.com/jtendo/binpp	Erlang Binary Pretty Printer
bitcask	https://github.com/basho/bitcask	https://github.com/basho/bitcask	because you need another a key/value storage engine
bullet	https://github.com/extend/bullet	http://ninenines.eu	Simple, reliable, efficient streaming for Cowboy.
cake	https://github.com/darach/cake-erl	https://github.com/darach/cake-erl	Really simple terminal colorization
classifier	https://github.com/inaka/classifier	https://github.com/inaka/classifier	An Erlang Bayesian Filter and Text Classifier
couchbeam	https://github.com/benoitc/couchbeam	https://github.com/benoitc/couchbeam	Apache CouchDB client in Erlang
cowboy	https://github.com/ninenines/cowboy	http://ninenines.eu	Small, fast and modular HTTP server.
cowlib	https://github.com/ninenines/cowlib	http://ninenines.eu	Support library for manipulating Web protocols.
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
dispcount	https://github.com/ferd/dispcount	https://github.com/ferd/dispcount	Erlang task dispatcher based on ETS counters.
e2	https://github.com/gar1t/e2	http://e2project.org	Library to simply writing correct OTP applications.
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
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
ehsa	https://bitbucket.org/a12n/ehsa	https://bitbucket.org/a12n/ehsa	Erlang HTTP server basic and digest authentication modules
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
emysql	https://github.com/Eonblast/Emysql	https://github.com/Eonblast/Emysql	Stable, pure Erlang MySQL driver.
entop	https://github.com/mazenharake/entop	https://github.com/mazenharake/entop	A top-like tool for monitoring an Erlang node
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.
epocxy	https://github.com/duomark/epocxy	https://github.com/duomark/epocxy	Erlang Patterns of Concurrency
eredis	https://github.com/wooga/eredis	https://github.com/wooga/eredis	Erlang Redis client
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.
erlasticsearch	https://github.com/dieswaytoofast/erlasticsearch	https://github.com/dieswaytoofast/erlasticsearch	Erlang thrift interface to elastic_search
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
erldns	https://github.com/aetrion/erl-dns	https://github.com/aetrion/erl-dns	DNS server, in erlang.
erlog	https://github.com/rvirding/erlog	https://github.com/rvirding/erlog	Prolog interpreter in and for Erlang
erlport	https://github.com/hdima/erlport	https://github.com/hdima/erlport	ErlPort - connect Erlang to other languages
erlsom	https://github.com/willemdj/erlsom	https://github.com/willemdj/erlsom	XML parser for Erlang
erlubi	https://github.com/krestenkrab/erlubi	https://github.com/krestenkrab/erlubi	Ubigraph Erlang Client (and Process Visualizer)
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.
erwa	https://github.com/bwegh/erwa	https://github.com/bwegh/erwa	A WAMP router and client written 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.
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.
folsom	https://github.com/boundary/folsom	https://github.com/boundary/folsom	Expose Erlang Events and Metrics
fuse	https://github.com/jlouis/fuse	https://github.com/jlouis/fuse	A Circuit Breaker for Erlang
geas	https://github.com/crownedgrouse/geas	https://github.com/crownedgrouse/geas	Guess Erlang Application Scattering
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_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
getopt	https://github.com/jcomellas/getopt	https://github.com/jcomellas/getopt	Module to parse command line arguments using the GNU getopt syntax
gproc	https://github.com/uwiger/gproc	https://github.com/uwiger/gproc	Extended process registry for Erlang
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
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.
itweet	https://github.com/inaka/itweet	http://inaka.github.com/itweet/	Twitter Stream API on ibrowse
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
json	https://github.com/talentdeficit/json	https://github.com/talentdeficit/json	a high level json library for erlang (17.0+)
jsx	https://github.com/talentdeficit/jsx	https://github.com/talentdeficit/jsx	An Erlang application for consuming, producing and manipulating JSON.
katja	https://github.com/nifoc/katja	https://github.com/nifoc/katja	A simple Riemann client written in Erlang.
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
lager	https://github.com/basho/lager	https://github.com/basho/lager	A logging framework for Erlang/OTP.
lasse	https://github.com/inaka/lasse	https://github.com/inaka/lasse	SSE handler for Cowboy
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.
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.
luerl	https://github.com/rvirding/luerl	https://github.com/rvirding/luerl	Lua in Erlang
mad	https://github.com/synrc/mad	https://github.com/synrc/mad	Small and Fast Rebar Replacement
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
mochiweb	https://github.com/mochi/mochiweb	https://github.com/mochi/mochiweb	MochiWeb is an Erlang library for building lightweight HTTP servers.
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
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.
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.
nodefinder	https://github.com/erlanger/nodefinder	https://github.com/erlanger/nodefinder	automatic node discovery via UDP multicast
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
openpoker	https://github.com/hpyhacking/openpoker	https://github.com/hpyhacking/openpoker	Genesis Texas hold'em Game Server
pegjs	https://github.com/dmitriid/pegjs	https://github.com/dmitriid/pegjs	An implementation of PEG.js grammar for Erlang.
pobox	https://github.com/ferd/pobox	https://github.com/ferd/pobox	External buffer processes to protect against mailbox overflow in Erlang
poolboy	https://github.com/devinus/poolboy	https://github.com/devinus/poolboy	A hunky Erlang worker pool factory
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.
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.
ptrackerl	https://github.com/inaka/ptrackerl	https://github.com/inaka/ptrackerl	Pivotal Tracker API Client written in 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.
rack	https://github.com/erlyvideo/rack	https://github.com/erlyvideo/rack	Rack handler for erlang
ranch	https://github.com/ninenines/ranch	http://ninenines.eu	Socket acceptor pool for TCP protocols.
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
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.
riak_dt	https://github.com/basho/riak_dt	https://github.com/basho/riak_dt	Convergent replicated datatypes 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
sfmt	https://github.com/jj1bdx/sfmt-erlang	https://github.com/jj1bdx/sfmt-erlang	SFMT pseudo random number generator for Erlang.
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
sqerl	https://github.com/hairyhum/sqerl	https://github.com/hairyhum/sqerl	An Erlang-flavoured SQL DSL
statebox	https://github.com/mochi/statebox	https://github.com/mochi/statebox	Erlang state monad with merge/conflict-resolution capabilities. Useful for Riak.
swab	https://github.com/crownedgrouse/swab	https://github.com/crownedgrouse/swab	General purpose buffer handling module
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.
tddreloader	https://github.com/version2beta/tddreloader	https://github.com/version2beta/tddreloader	Shell utility for recompiling, reloading, and testing code as it changes
tinymt	https://github.com/jj1bdx/tinymt-erlang	https://github.com/jj1bdx/tinymt-erlang	TinyMT pseudo random number generator for Erlang.
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.
twitter_erlang	https://github.com/ngerakines/erlang_twitter	https://github.com/ngerakines/erlang_twitter	An Erlang twitter client
unicorn	https://github.com/shizzard/unicorn	https://github.com/shizzard/unicorn	Generic configuration server
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)
webmachine	https://github.com/basho/webmachine	https://github.com/basho/webmachine	A REST-based system for building web applications.
worker_pool	https://github.com/inaka/worker_pool	https://github.com/inaka/worker_pool	a simple erlang worker pool
xref_runner	https://github.com/inaka/xref_runner	https://github.com/inaka/xref_runner	Erlang Xref Runner (inspired in rebar xref)
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
zeta	https://github.com/s1n4/zeta	https://github.com/s1n4/zeta	HTTP access log parser in Erlang