OSHI Features
The most complete privacy toolkit in any messenger. Explore each feature in detail.
Mesh Networking
Send encrypted messages without internet via Bluetooth and WiFi Direct. Multi-hop relay, up to 500m range, zero infrastructure dependency.
Learn more →Covert Channels
6 steganographic channels that hide your messages in normal web traffic. Bypass censorship and DPI. Undetectable communication.
Learn more →On-Device AI
Translation, correction, tone reformulation, and AI assistant. Powered by Apple Foundation Models. 100% offline, zero data sent to cloud.
Learn more →End-to-End Encryption
AES-256-GCM with Double Ratchet protocol. Perfect Forward Secrecy. X25519 key exchange. Military-grade protection for every message.
Learn more →Encrypted Voice Calls
Crystal-clear encrypted voice calls with real-time voice effects for extra privacy. Peer-to-peer connection with no call metadata.
Learn more →Bot Platform
Telegram-like bot API with Python SDK. Create automated bots for channels and groups. Simple REST API for integration.
Learn more →Triple Delivery
Messages route through Mesh, IPFS, and Tor networks. Three independent delivery paths ensure your message always gets through.
Learn more →Disappearing Messages
Set messages to auto-delete after reading. Leave no trace of sensitive conversations on either device.
Learn more →Zero Metadata
No phone number required. No contact list access. No social graph collection. Your communication patterns stay completely private.
Learn more →All Features. Free Forever.
Download OSHI and access every privacy feature at no cost. Open source. No ads. No tracking.
Download OSHI Free