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Open Source Personal Knowledge Management (PKM) Tools using pnpm

A curated collection of the best open source tools for organizing personal information and building knowledge graphs. using pnpm.

Memos

Self-hosted timeline for quick notes, logs, and snippets

  • Stars

    64,041

  • Last commit

    9 hours ago

  • License

    MIT
Memos is a self-hosted, open-source note-taking app built around a private timeline. Write in Markdown, skip the folder setup, and keep your data on your own server.

Open Source Alternative to:

Notion

SiYuan

Privacy-first knowledge management with block-level linking

  • Stars

    46,915

  • Last commit

    3 hours ago

  • License

    AGPL-3.0
Personal knowledge management system with WYSIWYG block editing, bidirectional links, spaced repetition flashcards, a relational database, and end-to-end encrypted sync.

Open Source Alternative to:

Notion

SurfSense

AI
Privacy-first knowledge base with any AI model you choose

  • Stars

    16,594

  • Last commit

    8 hours ago

  • License

    Apache-2.0
Self-hostable NotebookLM alternative that lets teams build searchable knowledge bases from diverse sources, with support for any LLM and no data limits.

Open Source Alternative to:

NotebookLM
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