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Logseq
A privacy-first, open-source knowledge base
4.40(2847 reviews)
Founded: 2020•Updated: September 10, 2025
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note-taking
Logseq is a privacy-first, open-source platform for knowledge management and collaboration. It focuses on building a second brain with connected notes, utilizing block-based structure for organizing thoughts and ideas.
Key Features
Block-based structure
Bidirectional linking
Graph visualization
Daily journals
Local-first storage
Plugin ecosystem
Markdown support
PDF annotation
Flashcards
Task management
Whiteboard mode
Privacy-focused
Pros
- Completely free core features
- Privacy-first and local storage
- Open source and extensible
- Block-level organization
- Strong community support
- No vendor lock-in
- Powerful plugin system
- Works offline completely
Cons
- Steeper learning curve
- Can be slow with large graphs
- Mobile apps need improvement
- Sync requires paid plan
- Block structure may feel limiting
- Less polished than commercial alternatives
Integrations
Readwise
Zotero
Anki
Todoist
GitHub
Pricing
Free
Free
- Unlimited notes and blocks
- Graph view
- Local storage
- Block references
- Daily journals
- Plugin support
Logseq Sync
$5/monthly
- All free features
- End-to-end encrypted sync
- Cross-device synchronization
- Version history
- Priority support
Quick Info
Platforms
Web
macOS
Windows
Linux
iOS
Android
Pricing Model
freemium
Founded
2020