Project Summary
Free, world-wide, private phone calls for iPhone, Android and Desktop. Private messaging coming soon!
Like privacy? Secure your calls for free with Signal. It's that simple.
Signal provides end-to-end encryption for your calls, securing your conversations so that nobody can listen in.
- Signal uses your normal phone number to make and receive calls, so you don't need yet another identifier.
- Signal calls are encrypted end-to-end, but function just like you're used to.
- Free and Open Source, enabling anyone to verify its security by auditing the code.
- Uses wifi or data, not your plan's voice minutes.
Badges
In a Nutshell, Signal...
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has a well established, mature codebase
maintained by a very large development team
with stable Y-O-Y commits -
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took an estimated 923 years of effort (COCOMO model)
starting with its first commit in April, 2011
ending with its most recent commit 10 months ago
GNU General Public License v3.0 only
Permitted
Commercial Use
Modify
Distribute
Place Warranty
Use Patent Claims
Forbidden
Sub-License
Hold Liable
Required
Distribute Original
Disclose Source
Include Copyright
State Changes
Include License
Include Install Instructions
These details are provided for information only. No information here is legal advice and should not be used as such.
Project Security
Vulnerabilities per Version ( last 10 releases )
There are no reported vulnerabilities
Project Vulnerability Report
Security Confidence Index
Vulnerability Exposure Index
Did You Know...
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30 Day SummaryMay 2 2024 — Jun 1 2024
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12 Month SummaryJun 1 2023 — Jun 1 2024
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