Obsidian

Think clearly. Connect ideas. Own your knowledge.

Android Productivity Educationローンチ 2026年7月13日

Obsidian とは？

Obsidian is a powerful, offline-first knowledge management app built on plain Markdown files. Create interconnected notes, visualize ideas with a graph view, organize knowledge using links and tags, and customize your workflow with community plugins and themes. Your notes remain yours—portable, private, and future-proof.

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