Joplin is a free, open‑source note‑taking and to‑do application that helps you organize your thoughts and tasks securely. It supports Markdown, synchronization, and end‑to‑end encryption.

📂 Organize notes, notebooks, and to‑do lists with tags and search

📝 Full Markdown support for rich text formatting

🔒 End‑to‑end encryption for secure note storage and sync

⚡ Sync across devices using Joplin Cloud, Dropbox, OneDrive, WebDAV, or Nextcloud

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

🔧 Extend functionality with plugins and themes

🌐 Web clipper for saving pages and screenshots directly from your browser

🤝 Community‑driven, open‑source project with active development

Perfect for: Users who want a secure, flexible, and customizable note‑taking app with powerful sync and Markdown support.

Provides a simple way of creating a contents menu for easy navigation of a workbook.