Top 5 XMPP Server Open-Source Projects

Openfire

5 2,791 9.7 Java

An XMPP server licensed under the Open Source Apache License.

Project mention: Administration Console authentication bypass in Openfire XMPP server | /r/blueteamsec | 2023-06-16

MongooseIM

1 1,599 9.8 Erlang

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 resources of multiple clustered machines.
InfluxDB

www.influxdata.com sponsored

Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
Metronome IM

2 168 4.2 Lua

Metronome IM, lightweight xmpp server with advanced microblogging features.

Project mention: Metronome IM 4.0.3 – An XMPP/Jabber server written in Lua | news.ycombinator.com | 2023-08-14

Tigase

0 49 0.0 Java

Tigase XMPP server patched for Kontalk (by kontalk)
tigase-xmpp-server-docker

1 21 5.2 Shell

(M) Official Docker project for Tigase XMPP Server
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.

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).