Software Alternatives, Accelerators & Startups

Threema

A secure, end-to-end encrypted Swiss instant messenger with a focus on privacy.

Threema Alternatives

The best Threema alternatives based on verified products, community votes, reviews and other factors.
Latest update:

  1. 117

    Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.

    Open Source

    /telegram-alternatives
  2. 99

    Fast, simple & secure messaging. Privacy that fits in your pocket.

    Open Source

    /signal-alternatives
  3. Transform your IT service delivery with SysAid's seamless automation, ensuring a consistently exceptional experience for all users effortlessly

    Try for free paid Free Trial

    Try for free
  4. 85

    WhatsApp Messenger: More than 1 billion people in over 180 countries use WhatsApp to stay in touch with friends and family, anytime and anywhere.

    free

    /whatsapp-alternatives
  5. 65

    Secure messaging app with strong end-to-end encryption, advanced group chat privacy settings, secure video calls for teams, encrypted communication using Matrix open network. Riot.im is now Element.

    Open Source free

    /element-io-alternatives
  6. 65

    Send messages, files, create groups and make Tox to Tox audio and video calls. Securely.

    Open Source

    /tox-alternatives
  7. 53

    Wickr is a free end-to-end encrypted text, video, picture and voice messenger with full sender...

    Open Source

    /wickr-alternatives
  8. 37

    Stay in touch with your family and friends for free on Skype. Download Skype today to chat and call on desktop and mobile.

    /skype-alternatives
  9. 51

    Private & Secure Messenger

    Open Source

    /wire-alternatives
  10. 32

    A messaging app for teams who see through the Earth!

    /slack-alternatives
  11. 39

    Facebook Messenger is a faster way to message.

    /facebook-messenger-alternatives
  12. 36

    LINE is a Japanese proprietary application for instant messaging on smartphones and PCs.

    /line-alternatives
  13. 30

    Open-source video calling and chat platform.

    /jitsi-alternatives
  14. 22

    StealthChat is Encrypted, Private, Secure Calls and Chats on Android and Apple iOS

    /stealthchat-alternatives
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