Obsidian

Obsidian is a powerful knowledge base and note-taking app that works on local Markdown files, with a rich ecosystem of community plugins including several AI integrations for text generation, summarization, and semantic search. Its graph view visualizes connections between notes, and the plugin architecture allows users to add AI capabilities from providers like OpenAI and Anthropic. Obsidian is favored by researchers, writers, and developers who want full ownership of their data with extensi...

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