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Spectrum 2mautrix-whatsapp
Free

Free and open source.

 Free

Free and open source under the AGPL-3.0 licence.

Self-hosted Self-hosted
  • Bridges users on different IM networks
  • Runs on your own server
  • Brings WhatsApp chats into any Matrix client
  • Actively maintained with regular releases
  • Server software that needs setup and an existing messaging server
  • Little end-user documentation on the homepage
  • Requires your own Matrix homeserver
  • Needs a WhatsApp account and depends on an unofficial client library
Self-hosted Self-hosted
Open source Open source
License: GPL-3.0 License: AGPL-3.0
Not stated if an account is needed Account needed
Not stated if it works offline Needs internet

Checked October 2, 2026

Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.