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Signal Protocol icon

Signal Protocol

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The Signal Protocol (formerly known as the TextSecure Protocol) is a non-federated cryptographic protocol that provides end-to-end encryption for voice and instant messaging conversations.

License model

  • Free • Open Source

Platforms

  • Self-Hosted
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  1.  End-to-End Encryption
  2.  Based on phone number

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Signal Protocol information

  • Developed by

    Signal Foundation

  • Licensing

    Open Source (AGPL-3.0) and Free product.

  • Written in

  • Alternatives

    4 alternatives listed

  • Supported Languages

    • English

AlternativeTo Category

Security & Privacy

GitHub repository

  •  4,305 Stars
  •  510 Forks
  •  10 Open Issues
  •   Updated Apr 11, 2025 
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Signal Protocol was added to AlternativeTo by braky on Sep 28, 2024 and this page was last updated Sep 29, 2024.
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What is Signal Protocol?

The Signal Protocol (formerly known as the TextSecure Protocol) is a non-federated cryptographic protocol that provides end-to-end encryption for voice and instant messaging conversations.

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