Build a private knowledge base that lasts forever with local markdown files

What is Obsidian?

Obsidian (obsidian.md) is a reading resource in Productivity. Obsidian is a free, local-first knowledge base and note-taking app built on plain Markdown files, letting users link notes, visualize connections in a graph, and extend it with plugins; paid Sync and Publish add-ons are optional.

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Category: Reading | Writing · Productivity · Tags: markdown, knowledge-base, backlinks, local-first, plugins

Published: 2026-07-04

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