Obsidian

Obsidian is a "local-first AI note-taking" tool popular among researchers and writers for its knowledge management approach.

It primarily supports Markdown and builds interconnected "knowledge graphs."

Its "AI for Productivity" status derives from an expanding ecosystem of "AI plugins" that enhance functionalities.

Key features include a powerful "Graph view" visualizing note connections, "bidirectional linking" for seamless navigation, and strong data "privacy" through local note storage.

With AI-driven summarization, idea generation, and intelligent search, Obsidian helps organize complex information, uncover hidden links, and construct personalized knowledge bases, empowering deeper thinking and creative productivity.