Obsidian is a powerful note‑taking and knowledge management app that adapts to the way you think. It uses Markdown files stored locally, giving you full control over your data while offering extensive customization through plugins and themes.

📂 Local‑first: your notes are plain Markdown files

🔒 Privacy‑friendly, no forced cloud dependency

🧩 Hundreds of plugins and themes for customization

⚡ Fast, flexible, and extensible knowledge base

🌐 Cross‑platform support (Windows, macOS, Linux, Android, iOS)

🤝 Free for personal use, with optional paid sync and publishing features

Perfect for: Writers, researchers, and thinkers who want a private, customizable, and extensible knowledge management system.