Erlang/OTP

Seamless multi-primary syncing database with an intuitive HTTP/JSON API, designed for reliability

MochiWeb is an Erlang library for building lightweight HTTP servers.

Erlang web MVC, now featuring Comet

MongooseIM is Erlang Solutions' robust, scalable and efficient XMPP server, aimed at large installations. Specifically designed for enterprise purposes, it is fault-tolerant and can utilise the res…

a Map/Reduce framework for distributed computing

Distributed systems infrastructure used by Riak.

Extended process registry for Erlang

[DEPRECATED] Heroku log router

PropEr: a QuickCheck-inspired property-based testing tool for Erlang

Ruby-like hybrid OOP/functional programming language for BEAM, the Erlang VM

On-the-fly recompiling and reloading in Erlang. Code without friction.

The extensible Erlang SMTP client and server library.

Erlang performance and debugging tools

A Cloud at the lowest level!

Phoebus is a distributed framework for large scale graph processing written in Erlang.

RabbitMQ Management UI and HTTP API

Ebot, an Opensource Web Crawler built on top of a nosql database (apache couchdb, riak), AMQP database (rabbitmq), webmachine and mochiweb. Ebot is written in Erlang and it is a very scalable, dist…

Socket.IO server for Erlang

Erlang library and packrat parser-generator for parsing expression grammars.

Erlang Bittorrent Client

An Erlang OAuth 1.0 implementation

A new revision of Fuzed, the Erlang-based frontend for web apps. Check out the mailing list at http://groups.google.com/group/fuzed

Hibari is a production-ready, distributed, ordered key-value, big data store. Hibari uses chain replication for strong consistency, high-availability, and durability. Hibari has excellent performan…

A top-like tool for monitoring an Erlang node

Erlang module to parse command line arguments using the GNU getopt syntax

Apache CouchDB client in Erlang

Monitoring and REST interface to rabbitmq

Resolves conflicts in Mnesia after network splits

Ryan Zezeski's "working" blog