Top 3 Erlang Distributed Projects

vernemq

5 3,147 8.6 Erlang

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!

Project mention: New scalable, fault-tolerant, and efficient open-source MQTT broker | news.ycombinator.com | 2023-12-18

Shameless plug since i'm a contributor but VerneMQ [1] is a pretty programmable one. You have options from using webhooks to writting your plugins in Lua or Erlang/Elixir.
* https://github.com/vernemq/vernemq

khepri

3 300 8.2 Erlang

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

Project mention: The Erlang Runtime System | news.ycombinator.com | 2024-02-14

Erlang/OTP doesn't handle leader election, and by itself is bad at handling netsplits.
There is https://github.com/rabbitmq/ra which is a Raft implementation in Erlang that is Jepsen-tested. You could use it to build "etcd in Erlang", or https://github.com/rabbitmq/khepri which is built on top of Ra.

WorkOS

workos.com sponsored

The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
nova

4 217 8.1 Erlang

Web framework for Erlang. (by novaframework)

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020). The latest post mention was on 2024-02-14.