SigmaNote vs memory.wiki

SigmaNote — AI-Powered Knowledge Hub SigmaNote lets you build your own AI-powered knowledge hub — a single place to capture, manage, learn from, and create knowledge. It goes beyond notes or chat. SigmaNote gives you AI agents that work with your knowledge, across every format. Capture Knowledge from Anywhere Bring knowledge into SigmaNote from any source: • Notes and markdown documents • PDFs, files, and document scans • Images with OCR • Web pages and web archives • YouTube videos (with or without subtitles) • Voice recordings and system audio • Real-time, multi-language transcripts No format limits. Everything becomes searchable and usable. AI Agents That Organize for You SigmaNote’s AI agents help you: • Find relevant knowledge instantly • Organize content into the right Spaces • Connect related ideas across files and formats • Reduce clutter as your knowledge grows Your knowledge hub stays structured — without manual effort. Learn by Listening, Reading, and Conversation Knowledge shouldn’t just sit there. With SigmaNote, AI agents can: • Proactively read or speak knowledge to you • Explain complex topics in simple terms • Answer questions grounded in your materials • Help you think through ideas step by step It’s like discussing your knowledge with a personal tutor or teammate. Talk to Write. Build New Knowledge. SigmaNote introduces voice-driven AI writing. You can talk to an AI agent to: • Write new documents • Edit and update markdown files • Refine ideas through conversation • Create knowledge using your entire hub or a selected document This turns thinking out loud into structured writing — powered by everything you’ve learned. From Capture to Creation SigmaNote supports the full knowledge lifecycle: • Capture information • Understand it with AI • Absorb it through reading and listening • Create new knowledge by talking and writing All in one personal system. Who It’s For Students, researchers, founders, consultants, lawyers, clinicians, creators — anyone who wants to own their knowledge and build with it. Why SigmaNote • One hub for all knowledge formats • AI agents grounded in your data • Learn by conversation, not just reading • Turn knowledge into output Legal Term of services & privacy policy: https://www.signifyid.com/terms/view.html?doc=privacy_policy https://www.signifyid.com/terms/view.html?doc=term_of_service

memory.wiki is a personal knowledge hub for the AI era — on the web. This is the companion app that goes with you. Capture a note, a URL, a photo, or a voice memo, and it lands in your hub. Read everything you've saved on your phone. Chat with your hub, or paste its URL into Claude, ChatGPT, Gemini, or any LLMs. CAPTURE • Write: quick markdown notes • URL: paste any link, the server fetches it and stores a clean markdown copy • Photo: attach images straight from camera or library • OCR: extract text from a photo • Voice: transcribe speech to text • Home-screen widget: Ask, Search, Paste, or Capture in one tap READ • Every document in your hub, sorted by date • The same markdown rendering as memory.wiki on the web • Group documents into Bundles by topic, project, or audience USE • Built-in chat over your hub, answers cite the source • Share a Bundle with any AI by pasting its URL • memory.wiki/@yourname, one URL for your whole hub, ready to hand to Claude, ChatGPT, Gemini, or any LLMs. memory.wiki is free to use during beta. The web hub stays the source of truth — every change syncs both ways. Privacy: notes, photos, audio, and email are tied to your account. None of it is used for tracking, advertising, or sold to third parties. See memory.wiki/privacy for details.