BuySoftwaresOnlineSignal
Private messaging, end-to-end by default
Security & PrivacyAGPL-3.0Windows · macOS · Linux · Android · iOSPopular
About Signal
Signal offers end-to-end encrypted text, voice, video and file sharing with no ads, no trackers and no metadata to sell — funded by a nonprofit foundation. The gold standard for private communication.
Signal is completely free and open source (AGPL-3.0) — no trials, no subscriptions, no locked features. Always download from the official website to avoid bundled malware.
Free alternative to: Closed-source messengers
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