What is Signal?
Signal is the gold standard for private messaging: every message and call is end-to-end encrypted by default, and the non-profit behind it collects virtually no metadata. It looks and works like a normal messenger — that's the point.
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Signal was added to the directory on Jul 7, 2026 and this page was last updated Jul 7, 2026. Spotted something wrong or missing? Contribute to this page.