Trilium Notes is a hierarchical note taking application with focus on building large personal knowledge bases.
Trilium’s core feature is the ability to structure your notes into a hierarchical tree-like structure.
This free and open source application is built on modern technologies.
Key Features
- Notes can be arranged into arbitrarily deep tree. Single note can be placed into multiple places in the tree .
- Rich WYSIWYG note editing including e.g. tables and images with markdown autoformat
- Support for editing notes with source code, including syntax highlighting
- Fast and easy navigation between notes, full text search and note hoisting
- Seamless note versioning
- Note attributes can be used for note organization, querying and advanced scripting
- Synchronization with self-hosted sync server
- Strong note encryption with per-note granularity
- Relation maps and link maps for visualizing notes and their relations
- Scripting. Trilium supports creating code notes, i.e. notes which allow you to store some programming code and highlight it.
- Scales well in both usability and performance upwards of 100,000 notes.
- Touch optimized mobile frontend for smartphones and tablets.
- White, dark, and black themes.
- Evernote and Markdown import & export
- Web Clipper for easy saving of web content.
- Keyboard shortcuts.
- Cross-platform support – runs under Linux, macOS, and Windows.
Website: github.com/TriliumNext/Trilium
Support: Wiki
Developer:
License: GNU Affero General Public License v3.0

Trilium Notes is written in JavaScript. Learn JavaScript with our recommended free books and free tutorials.
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Read our verdict in the software roundup.
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