OpenHabitTracker

- Free and Ad-Free
- Open Source
- Privacy Focused: All user data is stored locally on your device
- Available on Windows, Linux, Android, iOS, macOS, and as a web app
- Localized to English, German, Spanish, Slovenian

Key Features:

- Markdown support for notes
- Use categories and priorities to organize your notes, tasks, and habits
- Advanced Search, Filter, and Sort
- Data Export/Import: JSON, YAML, TSV, Markdown
- Import your notes from Google Keep
- Available in 26 themes with Dark and Light modes