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Logseq
A privacy-first, open-source knowledge base·logseq.com
Logseq is a privacy-first, open-source platform for knowledge management and collaboration. It is a toolbox for workflows involving lots of information, supporting task management, PDF annotation, and flashcards through linked notes, block references, and queries. Notes are stored locally as Markdown files, giving users full ownership of their data, with an optional encrypted sync feature to keep notes up to date across devices.
What it's for
Task managementPDF annotationFlashcards for memorizing factsReviewing class notes with linked references, queries, and searchOutlining essays using block referencesBraindumping ideasDaily planning and journalingManaging relationships and meeting notesKeeping notes synced across devices
Features 24
- Backlinks
- Block references and embeds
- Calculator
- Custom themes
- Drawing tool
- Encrypted file syncing (Logseq Sync, beta)
- Flashcards
- Knowledge graph view
- Linked references
- Markdown file storage
- Media embedding (audio, photos, videos)
- Page aliases
- Page embeds
- PDF highlights/annotations
- Plugin support
- Properties
- Publishing
- Queries and Query Builder
- Slide mode
- Tables
- Task management commands
- Templates
- Whiteboard
- Zotero integration
Pricing
Described as 'Free forever for personal use.' No specific pricing plans or amounts are listed on the pricing page; a 'Logseq Sync' feature for encrypted note syncing across devices is noted as being in beta, with no price shown.