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




Most users think Signal is a great ChatSecure alternative.
Signal is the most popular Windows, Android, Mac & iPhone alternative to ChatSecure.
Signal is the most popular Open Source & free alternative to ChatSecure.
- Signal is Free and Open Source
- Signal is Privacy focused, Security-focused and Lightweight













































Windows version doesn't have secret chat.