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 type
Platforms
- Mac
- Windows
- Linux
- Android
- iPhone
- iPad
- Flathub
- Ubuntu
- Debian
- Snapcraft




Comments about Signal as an Alternative to Telephone
It can't connect to your pbx, the whole point of a softphone.

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





































































Signal is not a SIP client