# Mnemosyne OS > Personal AI knowledge OS by XPACEGEMS ECOSYSTEMS. Persistent memory, multi-model AI, semantic Resonance, private Vault. The AI that never forgets. ## Product Mnemosyne OS is a desktop application (Electron + React) that acts as a sovereign personal knowledge operating system. It provides persistent, local-first AI memory with no cloud dependency. ### Core features - **Semantic Resonance Engine**: Local RAG, vector index, Liquid Prompt. Files and sessions linked in a semantic graph. - **MnemoVault**: File explorer, Markdown editor, video clipper (FFmpeg). All content indexed locally. - **MnemoBrain**: Multi-model AI (OpenAI, Gemini, Anthropic, Ollama, DeepSeek). Shared memory across all models. - **Soul Studio**: Calibrated AI personality (OCEAN, MBTI). Consistent, persistent AI identity. - **Nexus Graph**: Force-directed visualization of connections between files, tags, and ideas. - **Neural Link**: P2P network (libp2p), E2E encryption, MCP protocol for agent communication. - **MnemoSync**: VS Code extension for real-time multi-agent coordination (Resonance Bridge protocol). ### Ecosystem apps MnemoEar (voice/audio transcription), MnemoChronos (time & tasks), MnemoX, Cockpit (14-widget dashboard), MnemoVision, NotebookLM Bridge. ### CLI MnemoForge CLI — open source (MIT), available on npm: `npm install -g mnemoforge` ## Licence model - **Mnemosyne OS**: Free to use (personal). Proprietary core. - **MnemoForge CLI & SDKs**: Open source, MIT licence. - **Soul Pass / Neural Licence**: NFT-based perpetual licence. Unlocks permanent AI Soul identity on-chain. - **Enterprise**: Commercial licence required for deployments >5 users or in commercial products. ## Legal Operated by **XPACEGEMS ECOSYSTEMS** (Florida LLC) Address: 2932 NW 72nd Ave, Miami, FL 33122, USA Contact: dev@mnemosyne-os.com Governing law: State of Florida, USA ## Links - Website: https://mnemosyne-os.com/ - Download: https://mnemosyne-os.com/download - Developers / Source: https://mnemosyne-os.com/source - Documentation: https://mnemosyne-os.com/docs - Partners: https://mnemosyne-os.com/partners - Terms of Service: https://mnemosyne-os.com/terms - Privacy Policy: https://mnemosyne-os.com/privacy - npm: https://www.npmjs.com/package/mnemoforge - GitHub: https://github.com/yaka0007/Mnemosyne-Neural-OS ## Languages English (EN), French (FR), Spanish (ES) ## Optional: full context - https://mnemosyne-os.com/ai.txt