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Wire Server vs Zulip

The same facts for both, read from GitHub every night, and the relation a person reviewed.

Wire ServerZulip
LanguageHaskellPython
LicenceAGPL-3.0Apache-2.0
Stars2.8k26k
Latestv2026-10-0512.3
Last push2026-10-062026-10-06
Release cadenceabout 25 days between releasesabout 45 days between releases
Active contributors14 commit authors on the default branch in the last 90 days52+ commit authors on the default branch in the last 90 days
Flagsnonenone

How they relate

  • Both replace Slack. Alternatives to Slack →

    PartialWire ServerEnd-to-end encrypted team messaging, calls and file sharing through the Wire apps.

    Full replacementZulipConversations split into topics inside each channel, with an importer for Slack exports.