Obsidian

A Markdown editor and knowledge-base app built around local plain-text notes and links.

  • Organization
Visit Obsidian official site

What it is

Obsidian stores notes as local plain-text Markdown files and helps turn them into a linked knowledge base. It can be extended with core and community plugins, themes, and CSS snippets.

Why it is selected

The notes remain ordinary files under your control, while links, search, and graph views make long-term material easier to reconnect.

Who it suits

Writers, students, researchers, and developers who want durable notes without committing their archive to one cloud format.

Useful for

  • Linking reading notes to project decisions
  • Keeping a searchable local documentation vault
  • Publishing selected notes as a knowledge base

AFFiNE

A local-first workspace that brings documents, databases, and visual whiteboards together.

  • notes
  • whiteboard
  • local-first

Are.na

A calm platform for saving material, arranging it into channels, and connecting ideas over time.

  • research
  • collections
  • inspiration

Eagle

A desktop library for collecting, tagging, and finding visual reference files.

  • assets
  • reference
  • desktop