Obsidian
Private knowledge base with powerful linking and markdown.
What is Obsidian?
Obsidian is a powerful, local-first markdown knowledge base that treats notes as an interconnected graph using bidirectional links with complete data ownership.
Who is Obsidian best for?
Researchers, writers, and students building long-term knowledge management systems who value data ownership and offline access.
How does Obsidian work?
Create markdown files linked with [[wiki-style links]], building a web visualized in a graph view. Extend with 1,000+ community plugins.
Pros
- Complete data ownership with local files
- Highly extensible with 1,000+ plugins
- Powerful graph view for connections
- Free for personal use
Cons
- Steeper learning curve with markdown
- Sync requires paid service or manual setup
- Not ideal for team collaboration
- Plugin configuration can overwhelm
