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Open Source Personal Knowledge Management (PKM) Tools using npm

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

Joplin

Encrypted note-taking that syncs across all your devices

  • Stars

    56,816

  • Last commit

    3 hours ago

  • License

    Unknown
Cross-platform note-taking app with end-to-end encryption, Markdown support, web clipping, and sync via Dropbox, OneDrive, or Joplin Cloud.

Open Source Alternative to:

Obsidian

SurfSense

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

  • Stars

    16,536

  • Last commit

    1 day 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

Notesnook

Zero-knowledge encrypted notes that sync across all devices

  • Stars

    14,804

  • Last commit

    5 hours ago

  • License

    GPL-3.0
End-to-end encrypted note-taking app with zero-knowledge architecture, cross-device sync, web clipper, and a self-hostable sync server.

Open Source Alternative to:

Notion

AnyType

Private workspace for notes, tasks, and databases

  • Stars

    8,954

  • Last commit

    8 days ago

  • License

    Unknown
A local-first, encrypted workspace for notes, tasks, databases, and chats. Your data stays on your device, syncs peer-to-peer, and never passes through a central server.

Open Source Alternative to:

Notion

Silverbullet

Programmable notes with queries, Lua scripting, and wiki links

  • Stars

    Stars growing over the last 30 days6,359

  • Last commit

    10 hours ago

  • License

    MIT
A self-hosted, browser-based note-taking system that turns plain Markdown pages into a queryable, scriptable knowledge base you control.

Open Source Alternative to:

Notion

OpenNotas

Fast, secure, and free personal note-taking app

  • Stars

    178

  • Last commit

    3 months ago

  • License

    Unknown
OpenNotas is a multi-platform, end-to-end encrypted note-taking app that offers simplicity, synchronization, and offline functionality.

Open Source Alternative to:

Obsidian

Justnote

Privacy-focused note-taking made simple and fast

  • Stars

    67

  • Last commit

    9 months ago

  • License

    GPL-2.0
Justnote is a secure note-taking app that lets you easily create and sync notes across devices while maintaining full control of your data.

Open Source Alternative to:

Notion
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