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MyTetra

Smart manager for hierarchical notes and snippets

Notes & Knowledge Base ★ 260 stars Easy setup GPL-3.0

MyTetra is an open-source manager for hierarchical notes and code snippets, designed for building a personal knowledge base. It stores data in a portable XML structure that can be synced with any tool.

Official siteSource code

Key features

  • Hierarchical note tree
  • Code snippet storage
  • Portable XML data
  • Syncable with external tools

Pros & cons

Strengths

  • Good for code snippet libraries
  • Portable data format

Trade-offs

  • Dated interface
  • Small community

Is MyTetra secure?

OSV.dev has no published security advisories for MyTetra's repository. No known vulnerabilities is not proof of security: it means none have been publicly catalogued.

Source: OSV.dev, checked 2026-10-14. How this is measured.

MyTetra replaces

Self-hosted Evernote alternativesSelf-hosted OneNote alternatives

Health badge

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SelfHostIndex: 47 · fair

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