RedNotebook is a graphical diary for keeping a dated record of thoughts, activities and experiences. It provides a calendar alongside the editor, making it straightforward to revisit a particular day without searching through individual files.
The application is designed around ordinary, readable journal files rather than a proprietary database. You can maintain separate journals, organise material as it grows and customise the environment to suit regular writing. Its editor and preview arrangement makes it suitable for both brief daily notes and more detailed entries.
RedNotebook also accommodates people who use more than one computer. Journal directories can be included in a backup or synchronised using external file services. The program does not require a hosted account to save your writing.
This is free and open source software.
Key Features
- Navigate entries through a calendar, including days without existing notes.
- Create multiple independent journals to separate personal, work and other writing.
- Apply basic text formatting and structured headings to entries.
- Insert photographs, other files and links to external resources.
- Use hashtags and keyword searches to find past observations quickly.
- Search as you type, with a word cloud highlighting frequently used words and tags.
- Create and customise templates for recurring diary entries.
- Use optional spell checking while composing entries.
- Save edits automatically, reducing the need for manual file management.
- Back up journal data to a ZIP archive for safekeeping.
- Export journals to plain text, HTML, LaTeX or PDF.
- Store diary content in plain-text files without requiring a database service.
- Use a translated interface, with many languages contributed by the community.
Website: rednotebook.app
Support:
Developer: Jendrik Seipp and contributors
License: GNU General Public License v3.0

RedNotebook is written in Python. Learn Python with our recommended free books and free tutorials.
Related Software
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| Almanah Diary | Small diary application |
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| Journaler | Privacy-focused daily journaling app for recording personal thoughts |
| Daily You | Privacy-focused diary and journaling application |
Read our verdict in the software roundup.
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