Trilium Notes
by Trilium
Hierarchical open-source notes for building knowledge bases.
Reviewed by the Softwares.com Editorial Team · Last updated June 2026 · How we rate
Key facts
- Vendor
- Trilium
- Pricing
- Open source — Free
- Free tier
- Yes
- Platforms
- Windows, Mac, Linux, Self Hosted
- Best for
- Developers, Knowledge Hoarders
- Editor rating
- 4.4 / 5
- Founded
- 2017
- Headquarters
- Czech Republic
What is Trilium Notes?
Trilium Notes is a note taking tool from Trilium. Trilium Notes is a free, open-source application for building large personal knowledge bases with hierarchical notes and scripting.
Trilium Notes uses open source pricing and offers a free tier you can start on without a credit card. Free.
It's best suited to developers, knowledge hoarders and runs on Windows, Mac, Linux, Self Hosted.
Standout strengths include powerful hierarchical structure, self-hostable server sync, scripting and relations. Worth weighing: technical setup, interface is utilitarian.
Trilium Notes pricing
Pros
- Powerful hierarchical structure
- Self-hostable server sync
- Scripting and relations
Cons
- Technical setup
- Interface is utilitarian
Trilium Notes vs alternatives
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Frequently asked questions
What is Trilium Notes?
Trilium Notes is a free, open-source application for building large personal knowledge bases with hierarchical notes and scripting.
How much does Trilium Notes cost?
Trilium Notes is open-source-priced. It has a free tier.
Does Trilium Notes have a free trial?
Trilium Notes offers a free tier rather than a time-limited trial.
What platforms does Trilium Notes support?
Trilium Notes is available on Windows, Mac, Linux, Self Hosted.