About Obsidian
Obsidian stores your notes as plain Markdown files on your device — no server, no lock-in. Bidirectional links let you connect thoughts across notes, and the graph view maps your entire knowledge base visually. With 1,000+ community plugins, it becomes almost any tool you want.
The best choice for long-term knowledge building. Your notes are yours forever in plain text. The plugin ecosystem is unmatched by any competitor.
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The honest list
What we love
＋Local-first — your files, always
＋Huge plugin community
＋Bidirectional linking
＋Free for personal use
Watch out for
−Sync requires paid add-on or setup
−Mobile apps less polished
−Plugins can break on updates