Best FOSS Chat Apps in 2026 (and which ones you should AVOID)

In my years long journey of looking for the best FOSS instant messengers, I may have finally found two gems that are miles ahead of everything else, in the middle of all the mediocre options that are probably not worth your attention.

Delta Chat: https://delta.chat/
Fluxer: https://fluxer.app/
Mumble: https://mumble.info/
Jitsi Meet: https://jitsi.org/
Sources: https://gianmarco.gg/gallery/2026/07/fosschats2026

Music by incompetech.com and EON-PR.

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Best FOSS Chat Apps in 2026 (and which ones you should AVOID)

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