Etherpad
Chat & CommunicationReal-time collaborative document editor
Replaces Google Docs
Best Plugins Chat & Communication for self-hosting
The 12 best Plugins chat & communication you can self-host, ranked by community traction.
FreeSWITCH
Chat & CommunicationScalable software telephony platform
Replaces Twilio, Asterisk
Ferdium
Chat & CommunicationAll-in-one messenger that combines chat services
Replaces Rambox, Station
FreeScout
Chat & CommunicationFree self-hosted help desk and shared inbox
Replaces Help Scout, Zendesk
Asterisk
Chat & CommunicationOpen-source framework for building telephony systems
Replaces Avaya, Cisco Unified Communications
WeeChat
Chat & CommunicationExtensible terminal-based chat client
Replaces Slack
irssi
Chat & CommunicationModular terminal IRC client with scripting
Replaces Slack
Kamailio
Chat & CommunicationHigh-performance SIP server for VoIP infrastructure
Replaces Twilio
InspIRCd
Chat & CommunicationModular C++ Internet Relay Chat daemon
Replaces Slack, Discord
Bonfire
Chat & CommunicationFederated social networking toolkit for communities
Replaces Facebook Groups, Discord
UnrealIRCd
Chat & CommunicationHighly configurable open-source IRC server
Replaces Slack, Discord
Atheme IRC Services
Chat & CommunicationModular IRC services framework for large networks
Replaces Slack
No apps match these filters.
Every option here is open-source and self-hostable, tagged Plugins within the chat & communication category. Compare them on the individual app pages for setup difficulty and resource requirements.