Threema
Seriously Secure Messaging
Threema launched on June 22, 2015 with 3 votes. The site was still online in September 2026, 11 years on.
What it does
The secure instant messenger from Switzerland. GDPR-compliant messaging for individuals and organizations that value privacy, security and data protection.
End-to-end encrypted exchange of messages, calls, and files for businesses, military, authorities, and individuals – GDPR-compliant and developed infrom threema.com
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