Overview
Messages and voice and video calls are end-to-end encrypted with the Signal Protocol. The desktop app links to your phone account.
Highlights
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End-to-end encryption by default
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Disappearing messages
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Free and open source
- Mac
- Mac
- Free
- Free
Questions about Signal
- Is Signal free?
- Yes. Signal is free to download and use on your Mac.
- Who makes Signal?
- Signal is developed by Signal Messenger.
- Is Signal open source?
- Yes. Signal is open source, so you can read, build and fork its code.
- Where can I download Signal?
- You can download Signal from the developer's website, signal.org.
- What are the best alternatives to Signal?
- Ice Cubes, Little Snitch and Canary Mail are the top-ranked alternatives to Signal on Mac App Index, by shared features and community votes. Compare all 24 on the Signal alternatives page.
