Olvid
French end-to-end encrypted messenger certified by ANSSI, the French national cybersecurity agency. Unlike Signal, requires no phone number or personal data to register. Used by the French government, recommended by French Prime Minister for ministerial communications.
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Olvid
Signal
Threema
Imessage 
Whatsapp 
Telegram 
Messenger 
Wechat More European Messaging & chat alternatives
Signal
44 · Not Very EuropeanThe gold standard for encrypted messaging. Open-source and non-profit.
Threema
95 · Certified EuropeanSwiss encrypted messaging app requiring no phone number or email to register. End-to-end encrypted messages, calls, and groups. One-time purchase of CHF 4.99, with no subscription, no ads, and no data mining. Used by Swiss government and military.
Briar
55 · Mixed OriginsA peer-to-peer encrypted messenger designed for activists, journalists, and anyone who needs resilient communication. Messages sync directly between devices over Tor, Wi-Fi, or Bluetooth - with no central servers - built by a European non-profit with EU public funding.
SimpleX Chat
90 · Certified EuropeanA UK-built messenger that is the first with no user identifiers of any kind - no phone number, no username, not even a random ID. End-to-end encrypted, fully open source, and decentralised across relay servers, making it one of the most metadata-resistant chat apps available.
Session
62 · Mostly EuropeanAn encrypted messenger that needs no phone number or email - you get a random Session ID instead. Messages are onion-routed through a decentralised network of nodes, and the project moved its legal home to Switzerland in 2024 for stronger privacy protection.