Messaging
European messenger alternatives to WhatsApp, Slack and Teams. End-to-end encrypted and without US data transfer.
5 verified providers
GDPR compliant
All Providers in Detail
Hand-picked European messaging services. All providers verified and compared.
Element
Open Source
Decentralized messenger based on the Matrix protocol
United Kingdom (EU subsidiaries in DE/FR)
instead of WhatsApp / Slack
- Federated Matrix protocol, no central control
- End-to-end encryption (Olm/Megolm)
- Self-hosting or managed EU cloud available
- Used by German and French government agencies
Community free (self-hosted) · Enterprise on request
Threema
Open Source
Messenger without mandatory phone number registration from Switzerland
Switzerland
instead of WhatsApp / Signal
- No phone number required, fully anonymous
- End-to-end encryption for all messages
- No metadata storage
- Open source since 2020
One-time €6 · Threema Work from €3/user/mo
Olvid
Open Source
ANSSI-certified messenger without central user database from France
France
instead of WhatsApp
- ANSSI-certified (CSPN)
- No phone number or email required
- Proprietary cryptographic protocols, independent of Signal protocol
- Share files without size limits
Free (personal use) · Business plans on request
Delta Chat
Open Source
Submitted
Open-source messenger using the email protocol from Germany
Germany
instead of WhatsApp / Signal
- Email protocol as transport, no dedicated account or phone number
- End-to-end encryption by default (OpenPGP/Autocrypt) since version 2
- Federated: works with any email server or Chatmail relay
- Cross-platform (Android, iOS, Linux, macOS, Windows)
Free (open source)
SimpleX Chat
Open Source
Submitted
Messenger without user identifiers from the United Kingdom
United Kingdom
instead of WhatsApp / Signal
- No profile, no user IDs, no phone number
- End-to-end encryption with post-quantum protection
- Federated: own server hosting possible
- Open source under AGPLv3
Free (donation-funded)