Threema is a Swiss privacy-focused end-to-end encrypted messenger. The desktop client allows secure messaging from a computer, currently requiring a linked smartphone (with multi-device support planned). It offers anonymous onboarding without personal data and is developed with strong emphasis on security and data sovereignty.
In the Team chat & messaging space, Threema takes a focused approach. It focuses on communicating securely and privately without sharing a phone number or relying on centralized data collection. It is built as a consumer product for privacy-conscious individuals and teams. Threema is a paid product. It runs on Linux.
Threema GmbH builds and maintains Threema. Key capabilities include end-to-end encryption, multi-device support, and no phone number required.
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threema-web-desktop verified by the PulseGate indexer
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