Erlang/OTP

Lisp Flavoured Erlang (LFE)

a Map/Reduce framework for distributed computing

A hunky Erlang worker pool factory

Collection of functions and scripts to debug Erlang in production.

Distributed systems infrastructure used by Riak.

Lua in Erlang

A logging framework for Erlang/OTP

Extended process registry for Erlang

ATTENTION: Please find the canonical repository here:

[DEPRECATED] Heroku log router

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

A mocking library for Erlang

The extensible Erlang SMTP client and server library.

Sane, simple release creation for Erlang

AWS APIs library for Erlang (Amazon EC2, S3, SQS, DDB, ELB and etc)

ErlPort - connect Erlang to other languages

Erlang Redis client

Expose Erlang Events and Metrics

Basic measurement objects and probe behavior

GeoCouch, a spatial index for CouchDB

DNS server, in Erlang.

Erlang performance and debugging tools

A Cloud at the lowest level!

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

Apple Push Notification Server for Erlang

Erlang Patterns of Concurrency

An OTP Process Pool Application

A load-generation and testing tool for basically whatever you can write a returning Erlang function for.

A framework for processing email using worker plugins.