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Spectrum 2

Self-hostedOpen sourceCommunication

Spectrum 2 is an open source instant messaging transport. It allows users to chat together even when they are using different IM networks.

421 stars

Website Source code

Licence
GPL-3.0
Platforms
C++
Themes
Communication - Custom Communication Systems
Release
2.2.1 · 12 June 2023
Last activity
24 October 2026
Spotted on
awesome-selfhosted

Same orbit

28

Mattermost

Platform for secure collaboration across the entire software development lifecycle, can be integrated with Gitlab (alternative to Slack).

Self-hostedFreeCommunication

39,454 stars

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