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    125 repositories

    • Signal-Desktop

      Public
      A private messenger for Windows, macOS, and Linux.
      TypeScript
      •
      GNU Affero General Public License v3.0
      •2.9k•16k•831•32•Updated Oct 6, 2025Oct 6, 2025

    • Signal-Pods

      Public
      Pods dependency tracker for Signal-iOS
      C
      •88•63•0•3•Updated Oct 4, 2025Oct 4, 2025

    • ringrtc

      Public
      Rust
      •
      GNU Affero General Public License v3.0
      •145•587•2•0•Updated Oct 3, 2025Oct 3, 2025

    • Signal-Android

      Public
      A private messenger for Android.
      Kotlin
      •
      GNU Affero General Public License v3.0
      •6.5k•28k•368•13•Updated Oct 3, 2025Oct 3, 2025

    • storage-manager

      Public
      Manage objects inside a cdn
      TypeScript
      •
      GNU Affero General Public License v3.0
      •12•15•0•2•Updated Oct 3, 2025Oct 3, 2025

    • Signal-iOS

      Public
      A private messenger for iOS.
      Swift
      •
      GNU Affero General Public License v3.0
      •3.3k•12k•89•17•Updated Oct 3, 2025Oct 3, 2025

    • libsignal

      Public
      Home to the Signal Protocol as well as other cryptographic primitives which make Signal possible.
      Rust
      •
      GNU Affero General Public License v3.0
      •606•4.9k•8•0•Updated Oct 2, 2025Oct 2, 2025

    • SparsePostQuantumRatchet

      Public
      Provides SPQR, a chunked post-quantum ratchet usable in parallel with DH ratchets for the libsignal protocol.
      F*
      •
      GNU Affero General Public License v3.0
      •5•32•0•0•Updated Oct 2, 2025Oct 2, 2025

    • storage-service

      Public
      Java
      •
      GNU Affero General Public License v3.0
      •64•41•0•1•Updated Oct 1, 2025Oct 1, 2025

    • Signal-Server

      Public
      Server supporting the Signal Private Messenger applications on Android, Desktop, and iOS
      Java
      •
      GNU Affero General Public License v3.0
      •2.4k•10k•10•2•Updated Oct 1, 2025Oct 1, 2025

    • tus-server

      Public
      An implementation of the TUS server protocol for resumable uploads
      TypeScript
      •
      GNU Affero General Public License v3.0
      •21•65•0•4•Updated Oct 1, 2025Oct 1, 2025

    • ContactDiscoveryService-Icelake

      Public
      C
      •
      GNU Affero General Public License v3.0
      •22•44•2•4•Updated Oct 1, 2025Oct 1, 2025

    • webrtc

      Public
      C++
      •
      BSD 3-Clause "New" or "Revised" License
      •79•165•0•0•Updated Sep 26, 2025Sep 26, 2025

    • Mock-Signal-Server

      Public
      TypeScript
      •
      GNU Affero General Public License v3.0
      •17•32•1•1•Updated Sep 25, 2025Sep 25, 2025

    • tungstenite-rs

      Public
      Lightweight stream-based WebSocket implementation for Rust.
      Rust
      •
      Apache License 2.0
      •253•1•0•0•Updated Sep 22, 2025Sep 22, 2025

    • registration-service

      Public
      Registration Service for Signal
      Java
      •
      GNU Affero General Public License v3.0
      •36•33•0•1•Updated Sep 11, 2025Sep 11, 2025

    • node-sqlcipher

      Public
      A fast N-API-based Node.js addon wrapping sqlcipher and FTS5 segmenting APIs.
      TypeScript
      •
      GNU Affero General Public License v3.0
      •5•16•0•0•Updated Sep 5, 2025Sep 5, 2025

    • Signal-Calling-Service

      Public
      Forwards media from 1 group call device to N group call devices.
      Rust
      •
      GNU Affero General Public License v3.0
      •81•448•0•0•Updated Sep 4, 2025Sep 4, 2025

    • boring

      Public
      BoringSSL bindings for the Rust programming language.
      Rust
      •142•16•1•0•Updated Aug 29, 2025Aug 29, 2025

    • Signal-Sqlcipher-Extension

      Public
      A sqlcipher extension for crypto provider.
      Rust
      •
      GNU Affero General Public License v3.0
      •4•2•0•0•Updated Aug 15, 2025Aug 15, 2025

    • Signal-Message-Backup-Tests

      Public
      Signal Message Backup shared client integration test cases
      Kotlin
      •5•6•0•0•Updated Aug 15, 2025Aug 15, 2025

    • key-transparency-server

      Public
      Key transparency server
      Go
      •
      GNU Affero General Public License v3.0
      •3•8•1•1•Updated Aug 8, 2025Aug 8, 2025

    • Signal-TLS-Proxy

      Public
      Shell
      •
      MIT License
      •179•1.1k•2•4•Updated Aug 7, 2025Aug 7, 2025

    • SecureValueRecovery2

      Public
      C++
      •
      GNU Affero General Public License v3.0
      •22•54•1•0•Updated Jul 21, 2025Jul 21, 2025

    • minimask

      Public
      TypeScript
      •
      GNU Affero General Public License v3.0
      •1•1•0•0•Updated Jul 17, 2025Jul 17, 2025

    • key-transparency-auditor

      Public
      Key transparency auditing server
      Java
      •
      GNU Affero General Public License v3.0
      •2•5•0•0•Updated Jun 5, 2025Jun 5, 2025

    • maven

      Public
      47•28•1•0•Updated Apr 10, 2025Apr 10, 2025

    • AES-GCM-Provider

      Public
      A BoringSSL-backed AES-GCM provider for Android with support for "incremental" encryption/decryption
      Java
      •9•21•1•0•Updated Apr 10, 2025Apr 10, 2025

    • simple-grpc

      Public
      A gRPC server code generator and runtime designed for ease of service implementation
      Java
      •
      GNU Affero General Public License v3.0
      •1•3•0•0•Updated Apr 8, 2025Apr 8, 2025

    • curve25519-dalek

      Public
      Rust
      •28•40•1•3•Updated Apr 1, 2025Apr 1, 2025