17 open-source Messaging vendors.
Open-source software for Messaging that you can self-host, with auditable source code — regardless of the developer's headquarters.
- BriarNon-EU vendor
British open-source peer-to-peer encrypted messenger via Tor
United Kingdom
- Conversations (XMPP)Self-hosted / open source
XMPP chat client for Android with OMEMO encryption
Germany
- CwtchSelf-hosted / open source
Decentralised messaging platform with metadata protection via Tor
Canada
- Delta ChatSelf-hosted / open source
German open-source messenger via existing email infrastructure
Germany
- DinoSelf-hosted / open source
Modern XMPP desktop client with OMEMO encryption
Germany
- Element (Matrix)Non-EU vendor
British secure messaging platform on the open Matrix protocol
United Kingdom
- GajimSelf-hosted / open source
Czech full-featured XMPP/Jabber client (Giacom Development S.R.O.) with OMEMO/OpenPGP/OTR encryption.
Czechia
- JamiSelf-hosted / open source
French peer-to-peer communication platform without a central server
France
- OlvidEU sovereign
French ANSSI-certified encrypted messenger
France
- QuicksySelf-hosted / open source
XMPP messaging app with phone number linking for easy contact
Germany
- SessionEU sovereign
End-to-end encrypted messenger based on decentralised Oxen network
Switzerland
- SignalNon-EU vendor
US open-source encrypted messaging app with strong privacy focus
United States
- SimpleX ChatNon-EU vendor
Decentralised messenger without user IDs for maximum privacy
United Kingdom
- SnikketNon-EU vendor
Simple XMPP messaging solution for families and small groups
United Kingdom
- StoatSelf-hosted / open source
UK open-source Discord alternative (Revolt Platforms Ltd, London) with servers, channels and voice, GDPR-compliant.
United Kingdom
- ToxSelf-hosted / open source
Decentralised peer-to-peer messaging protocol with end-to-end encryption
Germany
- WireEU sovereign
Swiss messaging platform with end-to-end encryption for business use
Switzerland