Obsidian is a powerful local note platform with support for AI plugins (including Copilot and other integrations). It excels at linking concepts and building knowledge graphs, with AI helping summarise and generate content.
| Pricing from | Free (with optional paid add-ons) |
| Best for | Advanced students and researchers building interconnected knowledge bases |
| Website | obsidian.md |
Strengths and trade-offs
- Strong backlinking and knowledge graph features help connect related concepts
- Free core application; all your data remains on your device
- Steep learning curve; requires understanding of Markdown and knowledge management concepts
- AI features require additional plugin setup and configuration
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