Trilium Notes is a hierarchical note-taking application designed for building and maintaining large personal knowledge bases. It provides a structured environment for collecting research, technical documentation, project information and other material that needs to remain accessible over time.
Notes are organised into a tree structure, with support for placing an individual note in multiple locations without duplicating its contents. Each note can contain information in different formats, including rich text, Markdown, source code, diagrams and structured data.
Trilium is suitable for both everyday note-taking and complex collections of interconnected information. It can operate entirely on a local computer or synchronise through a self-hosted server. Its flexible organisation system combines hierarchical navigation with attributes, relationships, saved searches and graphical representations of information.
This is free and open source software.
Key Features
- Organise notes into arbitrarily deep hierarchical structures.
- Place the same note in multiple locations using note cloning.
- Rich-text editing with tables, images, mathematical notation and Markdown autoformatting.
- Dedicated note types for Markdown, source code, spreadsheets and other structured content.
- Build visual diagrams, mind maps, relationship maps and geographical maps.
- Organise information using note attributes, labels, relationships and reusable templates.
- Fast navigation with full-text search, saved searches and note hoisting.
- Search text contained in supported images and documents using optical character recognition.
- Keep a revision history of notes and restore earlier content.
- Encrypt individual notes containing sensitive information.
- Synchronise notes with a self-hosted server.
- Publish selected notes as read-only websites.
- Import content from Evernote, OneNote and Markdown documents.
- Capture web content using the browser extension.
- Automate note management through scripting and the REST API.
- Customise the interface with themes, workspaces and user-defined widgets.
- Cross-platform support – runs on Linux, macOS, and Windows.
Website: github.com/TriliumNext/Trilium
Support:
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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