Logseq
A privacy-first, open-source knowledge base.
Overview
Logseq is a privacy-first, open-source knowledge base that works on top of local plain-text Markdown and Org-mode files. It's a versatile tool for outlining, note-taking, and personal knowledge management, with a strong focus on privacy and user control over their data.
✨ Key Features
- Local-first and open source
- Outlining and block-based editing
- Bi-directional linking and graph view
- PDF annotation
- Task management and spaced repetition
- Whiteboards
- Extensible with plugins
🎯 Key Differentiators
- Open source and community-driven.
- Outliner-first approach.
- Built-in PDF annotation and spaced repetition features.
Unique Value: A powerful and private tool for thinking and organizing your knowledge, with the transparency and flexibility of open source.
🎯 Use Cases (5)
✅ Best For
- Creating a local-first, private knowledge base.
- Outlining and organizing complex research projects.
- Using spaced repetition to study and remember key concepts.
💡 Check With Vendor
Verify these considerations match your specific requirements:
- Users who need a simple, non-technical note-taking app.
- Teams that require robust, real-time collaboration features.
🏆 Alternatives
Offers a more outliner-focused experience than Obsidian, and is a free and open-source alternative to Roam Research.
💻 Platforms
✅ Offline Mode Available
🔌 Integrations
🔒 Compliance & Security
💰 Pricing
Free tier: The core app is free and open source.
🔄 Similar Tools in Note-Taking Education
Microsoft OneNote
A free-form note-taking app for all your ideas....
Notion
A versatile tool that blends everyday work apps into one....
Evernote
An app designed for note taking, organizing, and archiving....
Goodnotes
A top-selling note-taking app on the App Store....
Notability
A versatile app for handwritten notes, PDF markup, and audio recording....
Obsidian
A powerful knowledge base that works on top of a local folder of plain text files....