SimpleX - the first messaging network operating without user identifiers of any kind - 100% private by design! iOS, Android and desktop apps 📱!
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Apr 20, 2026 - Haskell
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double-ratchet
Here are 41 public repositories matching this topic...
Android SMS app ~ Featuring E2EE, Cloud Forwarding, RMQ integrations
sms encrypted-messages e2ee android-sms rabbit-mq sms-forwarding double-ratchet encrypted-sms-messages
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Apr 8, 2026 - Kotlin
An implementation of Olm and Megolm in pure Rust.
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Apr 17, 2026 - Rust
Virgil Crypto stack Objective-C/Swift
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Aug 13, 2023 - Swift
Privacy-focused secure messenger with post-quantum E2EE (PQXDH/ML-KEM), OpenMLS groups, SFrame voice/video, Sealed Sender. Flutter (iOS/Android) + Tauri (Desktop). Self-hostable, Kubernetes-native, Apache-2.0.
rust open-source cryptography webrtc selfhosted grpc flutter reproducible-builds post-quantum hardware-security tauri redpanda messaging-app double-ratchet sframe ml-kem sealed-sender pqxdh
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Feb 28, 2026 - Dart
A Dart implementation of the cryptography needed for OMEMO 0.8.3 (mirror)
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Sep 29, 2024 - Dart
Create e2ee WebSocket channels with X3DH and Double Ratchet.
encryption https websocket-server websockets axolotl signal diffie-hellman https-server e2ee end-to-end-encryption x3dh double-ratchet
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Sep 28, 2020 - JavaScript
E2EE Signal protocol X3DH and Double Ratchet implementation
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Jun 8, 2025 - Go
Double Ratchet implemented in Rust
rust cryptography rust-lang signal hacktoberfest signal-protocol double-ratchet-algorithm double-ratchet
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May 5, 2023 - Rust
Secure messaging without smartphones. Native SimpleX Protocol implementation in C for embedded systems. Features Hardware Abstraction Layer supporting multiple MCU platforms, hardware security modules, and three device tiers from maker-friendly to state-level protection.
cryptography privacy microcontroller esp32 stm32 simplex embedded-systems end-to-end-encryption x3dh hardware-security secure-element double-ratchet secure-messaging simplex-protocol
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Feb 26, 2026
Wrapper for libsignal, implementing the Signal Protocol for end-to-end encryption. Features Double Ratchet, X3DH, Sealed Sender, Group Messaging (SenderKey), and Kyber post-quantum key exchange. Optimized for Flutter and cross-platform applications (Android, iOS, Linux, macOS, Windows). AGPL-3.0 Licensed.
dart rust security cryptography privacy encryption cross-platform messaging flutter libsignal frb signal-protocol end-to-end-encryption x3dh double-ratchet flutter-rust-bridge sealed-sender
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Apr 19, 2026 - Dart
X3DH, Double Ratchet and a straightforward E2E encryption library on top.
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Mar 11, 2021 - Go
A double-ratchet implementation for building an E2EE message exchange app.
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Mar 1, 2026 - Rust
Asynchronous Ratcheting Tree implementation in Typescript
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Jul 4, 2024 - TypeScript
End-to-end encrypted messaging app with post-quantum key exchange, voice calls, and a zero-knowledge relay server.
android kotlin privacy webrtc messenger post-quantum-cryptography signal-protocol end-to-end-encryption fastapi double-ratchet
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Apr 10, 2026 - Kotlin
Implementation of the Double Ratchet Algorithm
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Apr 28, 2022 - Python
(Moved to Fialka) 🔐 End-to-end encrypted chat for Android. PQXDH (X25519 + ML-KEM-1024) + AES-256-GCM, full Double Ratchet (PFS + healing), Firebase relay. Zero metadata, zero tracking.
android kotlin security firebase cryptography privacy messenger qr-code ed25519 chat-application android-keystore end-to-end-encryption post-quantum perfect-forward-secrecy e2e-encryption strongbox aes-256-gcm double-ratchet ml-kem pqxdh
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Mar 23, 2026 - Kotlin
Reexport the Signal provider of double-ratchet: Double Ratchet key management for exchanging encrypted messages between two parties.
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Feb 6, 2024 - Rust
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