Synap.ing

Synap — your second brain.

Capture thoughts, decisions, and patterns into a living knowledge graph. Search by meaning, not just keywords. See your thinking visualized in 3D.

• Cortex Dashboard — your daily cognitive briefing with streaks, threads, and signals
• AI Chat — talk to your knowledge graph with Claude, OpenAI, Gemini, Grok, or Ollama
• 3D Knowledge Graph — interactive visualization of how your ideas connect
• Semantic Search — find thoughts by meaning using on-device vector embeddings
• Penumbra — AI blind spot detector that finds what you're missing
• Cognitive Archetype — discover your thinking style with Synap Wrapped
• Widgets — Brain Pulse, Thought Stream, Health Pulse, Graph Growth on your home screen
• Dynamic Island — live sync status and capture progress
• SSH Terminal — connect to your devices via Tailscale mesh
• Voice Capture — speak your thoughts, transcribed on-device
• Share Extension — capture from any app
• Apple Watch — quick capture and brain pulse complication

Privacy first: everything works locally. Cloud sync is optional.

Free: Full knowledge graph, all capture surfaces, semantic search, widgets, terminal, themes
Pro: Cloud sync across devices, background sync, hosted AI (coming soon)

Terms of Use: https://synap.ing/terms
Privacy Policy: https://synap.ing/privacy Show More