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Obsidian

easy

Powerful knowledge base and note-taking app built on local Markdown files. Closed source but popular in the self-hosting community.

0.25 GB RAM Active proprietary iOS & Android
Source Docs Website

Replaces

Notion

Pros

  • Massive plugin ecosystem with 1000+ community plugins
  • Files are plain Markdown stored locally
  • Excellent performance even with large vaults
  • Strong community and extensive documentation

Cons

  • Not open source — proprietary license
  • Sync service requires paid subscription
  • No web interface or self-hosted server component
  • Commercial use requires a paid license

Tags

notesknowledge-managementmarkdownlocal-firstpluginsgraph

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