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.

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.

E2E encrypted messaging SDK for AI agents — Double Ratchet · X3DH · ML-KEM-768 post-quantum · SSE streaming

Secure anonymous E2EE messenger -- Avalonia desktop GUI, X3DH + Double Ratchet, sealed sender, E2EE voice calls, I2P/Tor/WSS transport

A privacy-first, decentralized marketplace application built on a custom mini-Tor overlay network with post-quantum cryptography, Bitcoin CoinJoin payments, and sealed-sender communication — designed for users who require mathematically verifiable anonymity from the platform operator itself.