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 (GPL-3.0)
Application types
Platforms
- Mac
- Windows
- Linux
- Android
- iPhone
- iPad
- Flathub
- Ubuntu
- Debian
- Snapcraft




Comments about Signal as an Alternative to Trillian

- Signal is Free and Open Source
- Signal is Privacy focused, Security-focused and Lightweight






















































Signal is not supported on PC, but through the Chrome browser. It is only an add-on.