Trilium Notes
Hierarchical note app with rich text, scripting, and optional self-hosted sync server.
Why it is included
Mature feature set for personal knowledge bases with export and encryption options.
Best for
Individuals who want structured trees, relations, and server sync under their control.
If you use Windows, Mac, or paid tools
Notes alternative to Notion, Obsidian (sync), and OneNote for self-hosted hierarchies.
Strengths
- Deep hierarchy
- Server sync
- Extensibility
Limitations
- AGPL for server components—check deployment
Good alternatives
Joplin · Logseq
Related tools
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Joplin
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Logseq
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Desktop journal with calendar navigation, tags, and templates—stores files locally.
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Freeplane
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Xournal++
Handwriting note-taking and PDF annotation with pressure-sensitive stylus support.