Top Erlang GitHub Repositories & Open Source Projects (2026)

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

Lisp Flavoured Erlang (LFE)

Erlang web MVC, now featuring Comet

a Map/Reduce framework for distributed computing

Yaws webserver

Nitrogen Web Framework for Erlang (now with websockets!)

Ernie is an Erlang/Ruby BERT-RPC Server.

A Cloud at the lowest level!

Prolog interpreter in and for Erlang

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

An Erlang OAuth 1.0 implementation

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

[UNMAINTAINED] Universal Binary Format 2.2

Lexical analyzer generator for Erlang

The Erlang git-daemon

Distributed key-value storage a'la Amazon Dynamo

A simple, standardized interface library to Erlang HTTP Servers.

Rebar3 Hex library

Erlang driver for MongoDB with gridfs that works with maps and proplists

Ragnarok Online server software written in Erlang.