The most scalable open-source MQTT broker for IoT, IIoT, and connected vehicles

Erlang/OTP

Small, fast, modern HTTP server for Erlang/OTP.

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

Robust, Ubiquitous and Massively Scalable Messaging Platform (XMPP, MQTT, SIP Server)

A distributed MQTT message broker based on Erlang/OTP. Built for high quality & Industrial use cases. The VerneMQ mission is active & the project maintained. Thank you for your support!

Tsung is a high-performance benchmark framework for various protocols including HTTP, XMPP, LDAP, etc.

MochiWeb is an Erlang library for building lightweight HTTP servers.

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 hunky Erlang worker pool factory

A REST-based system for building web applications.

Visualize Erlang/Elixir Nodes On The Command Line

Collection of functions and scripts to debug Erlang in production.

because you need another a key/value storage engine

Distributed systems infrastructure used by Riak.

Extended process registry for Erlang

Lua in Erlang

Haskell-style functional programming language running on Erlang VM.

Nitrogen Web Framework for Erlang (now with websockets!)

High-performance, high-scalability distributed computing for the BEAM.

HTTP/1.1, HTTP/2, Websocket client (and more) for Erlang/OTP.

Prototype implementation of Lasp in Erlang.

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

Dynamic dispatching library for metrics and instrumentations.

A planet scale, highly available, transactional database built on CRDT technology

The Erlang Language Server

A Gradual type system for Erlang

A Circuit Breaker for Erlang

Erlang MQTT 5.0 Client

Khepri is a tree-like replicated on-disk database library for Erlang and Elixir.