jabberd2
Lightweight C implementation of the XMPP server
This project is archived. Upstream development has stopped, so expect no new features or security fixes. Consider an actively maintained matrix & xmpp alternative.
jabberd2 is a classic XMPP server written in C, designed to be a fast and standards-compliant Jabber server. It uses a modular component architecture for routing and storage.
Key features
- Lightweight C-based XMPP server
- Modular component architecture
- SQL and LDAP storage backends
- Standards-compliant
Pros & cons
Strengths
- Released under the GPL-2.0 license
- First-class Docker support for quick deployment
- Written in C
- Tiny footprint — runs in 128 MB RAM
Trade-offs
- Configuration is complex
- Slow modern development
jabberd2 replaces
Similar matrix & xmpp apps
Tinode
Matrix & XMPPOpen-source instant messaging server
Replaces WhatsApp, Slack
Element Web
Matrix & XMPPGlossy Matrix client for the web and desktop
Replaces Slack, Discord
ejabberd
Matrix & XMPPRobust, scalable XMPP messaging server
Replaces Slack, WhatsApp
Dendrite
Matrix & XMPPSecond-generation Matrix homeserver written in Go
Replaces Slack, Discord
Synapse
Matrix & XMPPReference homeserver for the Matrix network
Replaces Slack, Discord
Cinny
Matrix & XMPPSimple, elegant and secure Matrix client
Replaces Slack, Discord