SiYuan is a personal knowledge management system focused on privacy and flexibility, allowing users to create, organize, and link notes using a block-based approach with Markdown support as an alternative to Obsidian, Notion, Logseq, OneNote, Coda, Evernote, Roam Research, and Nuclino.
Key features:
- Block-level editing: Content is organized into blocks, enabling granular control and easy restructuring.
- Bidirectional links: Create connections between notes and explore relationships between ideas.
- Privacy-first: Offers complete offline usage and end-to-end encrypted data synchronization.
- Spaced repetition: Uses the FSRS algorithm to improve memory retention.
- Database support: Allows creating and linking databases with relation, rollup, and template features.
- AI Integration: Access OpenAI for writing assistance, translation, and brainstorming.
- List Outlines: Organize knowledge with logical levels, efficient and intuitive.
Use cases:
- Personal knowledge base
- Note-taking and idea management
- Project planning and documentation
- Building a connected network of thoughts and information
