Syn - Global Process Registry and Process Group manager for Erlang. ErlPort - Connect Erlang to other languages. Rustler - Safe Rust bridge for creating Erlang NIF functions. Relx - Sane, simple release creation for Erlang. Rebar3 - Erlang build tool that makes it easy to compile and test Erlang applications and releases. Erlang/OTP - Programming language and runtime system for building massively scalable soft real-time systems with requirements on high availability. Enigma VM - Simple Erlang VM implementation in Rust. ErlangRT - Attempt to make Erlang runtime (BEAM emulator) in Rust. Adopting Erlang - Ongoing effort to gather all the resources that will help you use Erlang in a business. Lumen - New compiler and runtime for BEAM languages. Spawned Shelter - Collection of the best articles, videos and books for learning Erlang. erlexec - Execute and control OS processes from Erlang/OTP. Hex - Package manager for the Erlang ecosystem. (Code) escript - Provides support for running short Erlang programs without having to compile them first, and an easy way to retrieve the command-line arguments. SpawnFest - Annual free online BEAM-related development competition. Elli - Erlang web server for HTTP APIs. LFE - Lisp Flavoured Erlang. Lisp for those who want to build distributed applications. (Web) system_monitor - BEAM VM monitoring and introspection application that helps troubleshooting live systems. Pyrlang - Drop-in Erlang node implementation in Python 3.5, implementing a network Erlang node protocol. Planet Erlang - Meta blog that collects posts from the blogs of various Erlang developers and contributors. (Code) erlfmt - Automated code formatter for Erlang. erlang-systemd - Simple library for notifying systemd about process state. eflame - Flame Graphs for Erlang. Gun - Erlang HTTP client with support for HTTP/1.1, HTTP/2 and Websocket. Sesterl - ML-inspired typed Erlang. Quartz - Statically typed, concurrent programming language for the BEAM VM based on the actor model. kerl - Easy building and installing of Erlang/OTP instances. Poolboy - Hunky Erlang worker pool factory. Gproc - Extended process registry for Erlang. Bitcask - Log-Structured Hash Table for Fast Key/Value Data. ERLUP - Manage multiple Erlang installs with per directory configuration. hackney - HTTP client library in Erlang. Cowlib - Support library for manipulating Web protocols. Concuerror - Stateless model checking tool for Erlang programs. Syn - Global Process Registry and Process Group manager for Erlang and Elixir. erl_dist - Rust Implementation of Erlang Distribution Protocol. FancyFlow - Experimental Erlang library to bring convenience of things like the elixir pipe operator into Erlang.