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Signal Private Messenger

Open Source

Secure, private, and encrypted messaging for individuals and groups.

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4.7 Editor Rating
Vetted Score
4.7 / 5.0

Score reflects Signal's industry-leading security, zero-cost model, broad platform support, and strong community trust.

Key Features
End-to-End Encryption

All messages, voice, and video calls are encrypted by default, ensuring only participants can read them.

Disappearing Messages

Set timers for messages to auto-delete after a chosen interval for enhanced privacy.

Secure Voice & Video Calls

High-quality, encrypted calls with support for group conversations.

Cross-Platform Sync

Seamlessly continue conversations across mobile and desktop devices.

Open Source Codebase

Transparent, auditable code that anyone can review or contribute to.

Frequently Asked Questions

Yes, Signal is free for all users on all platforms with no hidden fees or premium tiers.

Signal runs on Windows, macOS, Linux, iOS, and Android, allowing seamless cross‑device messaging.

Yes, you can enable disappearing messages with timers ranging from seconds to weeks for individual or group chats.
Specifications
Pricing Model Completely free and open source; no paid or enterprise tiers.
Supported Platforms
Windows 10/11macOSLinuxiOSAndroid