Repositories list

• Signal-Android

  Public
  A private messenger for Android.

  Kotlin

  •

  GNU Affero General Public License v3.0

  •6.4k•27k•347•15•Updated Jun 13, 2025Jun 13, 2025

• Signal-Message-Backup-Tests

  Public
  Signal Message Backup shared client integration test cases

  Kotlin

  •5•5•0•0•Updated Jun 13, 2025Jun 13, 2025

• webrtc

  Public
  C++

  •

  BSD 3-Clause "New" or "Revised" License

  •79•158•0•0•Updated Jun 13, 2025Jun 13, 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

  •76•443•0•0•Updated Jun 13, 2025Jun 13, 2025

• boring

  Public
  BoringSSL bindings for the Rust programming language.

  Rust

  •128•16•1•1•Updated Jun 13, 2025Jun 13, 2025

• Signal-iOS

  Public
  A private messenger for iOS.

  Swift

  •

  GNU Affero General Public License v3.0

  •3.2k•11k•103•15•Updated Jun 12, 2025Jun 12, 2025

• Signal-Desktop

  Public
  A private messenger for Windows, macOS, and Linux.

  TypeScript

  •

  GNU Affero General Public License v3.0

  •2.8k•15k•801•29•Updated Jun 11, 2025Jun 11, 2025

• Signal-Server

  Public
  Server supporting the Signal Private Messenger applications on Android, Desktop, and iOS

  Java

  •

  GNU Affero General Public License v3.0

  •2.3k•9.8k•10•0•Updated Jun 10, 2025Jun 10, 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

  •533•4.5k•10•1•Updated Jun 10, 2025Jun 10, 2025

• SecureValueRecovery2

  Public
  C++

  •

  GNU Affero General Public License v3.0

  •17•47•1•0•Updated Jun 6, 2025Jun 6, 2025

• ContactDiscoveryService-Icelake

  Public
  C

  •

  GNU Affero General Public License v3.0

  •16•39•2•0•Updated Jun 6, 2025Jun 6, 2025

• Signal-Pods

  Public
  Pods dependency tracker for Signal-iOS

  C

  •83•62•0•2•Updated Jun 5, 2025Jun 5, 2025

• key-transparency-auditor

  Public
  Key transparency auditing server

  Java

  •

  GNU Affero General Public License v3.0

  •0•3•0•0•Updated Jun 5, 2025Jun 5, 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

  •3•15•0•0•Updated Jun 4, 2025Jun 4, 2025

• ringrtc

  Public
  Rust

  •

  GNU Affero General Public License v3.0

  •145•574•2•0•Updated Jun 2, 2025Jun 2, 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

  •2•12•0•0•Updated May 12, 2025May 12, 2025

• registration-service

  Public
  Registration Service for Signal

  Java

  •

  GNU Affero General Public License v3.0

  •29•26•0•0•Updated Apr 30, 2025Apr 30, 2025

• Signal-TLS-Proxy

  Public
  Shell

  •

  MIT License

  •160•1k•2•4•Updated Apr 29, 2025Apr 29, 2025

• maven

  Public
  46•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

• Mock-Signal-Server

  Public
  TypeScript

  •

  GNU Affero General Public License v3.0

  •16•31•1•1•Updated Apr 9, 2025Apr 9, 2025

• storage-service

  Public
  Java

  •

  GNU Affero General Public License v3.0

  •57•38•0•0•Updated Apr 8, 2025Apr 8, 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

  •0•3•0•0•Updated Apr 8, 2025Apr 8, 2025

• curve25519-dalek

  Public
  Rust

  •27•40•1•3•Updated Apr 1, 2025Apr 1, 2025

• mp4san

  Public
  A Rust MP4 format sanitizer

  Rust

  •

  MIT License

  •7•15•3•0•Updated Mar 11, 2025Mar 11, 2025

• parchment

  Public
  Generalized state model for rich-text editors to interface with browser DOM

  TypeScript

  •

  BSD 3-Clause "New" or "Revised" License

  •153•0•0•0•Updated Mar 10, 2025Mar 10, 2025

• quill

  Public
  Quill is a modern WYSIWYG editor built for compatibility and extensibility

  TypeScript

  •

  BSD 3-Clause "New" or "Revised" License

  •3.5k•0•0•0•Updated Mar 10, 2025Mar 10, 2025

• emoji-search-index

  Public
  Static assets used for to generate a search index for emoji within Signal.

  GNU Affero General Public License v3.0

  •5•13•0•0•Updated Mar 6, 2025Mar 6, 2025

• tus-server

  Public
  An implementation of the TUS server protocol for resumable uploads

  TypeScript

  •

  GNU Affero General Public License v3.0

  •17•55•0•1•Updated Feb 14, 2025Feb 14, 2025

• better-sqlite3

  Public
  JavaScript

  •

  MIT License

  •46•95•2•2•Updated Feb 14, 2025Feb 14, 2025