What is Obsidian?

Answer

About Obsidian

Obsidian is sharpen your thinking.

Sharpen your thinking. Obsidian is a powerful, local-first knowledge base built on plain Markdown files, with backlinks, graph view, and a rich plugin ecosystem.

Source

This answer is drawn from the Obsidian listing on Startup Spotlight, last updated May 20, 2026. For the full profile, see the Obsidian listing.

Other questions about Obsidian

• Who founded Obsidian?

  Obsidian was founded by Erica Xu.

• When was Obsidian launched?

  Obsidian launched in 2020.