An open-source messaging app emphasizing privacy with encrypted communication. Share texts, calls, photos, and videos without ads or trackers, available across major platforms. Developed by Signal Technology Foundation and praised globally for security measures.
Cost / License
- Free
- Open Source
Application types
Platforms
- Mac
- Windows
- Linux
- Android
- iPhone
- iPad
- Flathub
- Ubuntu
- Debian
- Snapcraft




Almost everyone thinks Signal is a great Cryptocat alternative.
Signal is the most popular Windows, Android, Mac & iPhone alternative to Cryptocat.
Signal is the most popular Open Source & free alternative to Cryptocat.
- Signal is Free and Open Source
- Signal is Privacy focused, Security-focused and Lightweight












































Keybase seems to be really secure with encrypted messaging and an interesting way to verify your profile. I honestly like the design and its potential applications in a team environement.