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Open Source Personal Knowledge Management (PKM) Tools using Postgres

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

Joplin

Encrypted note-taking that syncs across all your devices

  • Stars

    56,994

  • Last commit

    9 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

    16,717

  • Last commit

    10 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

Blinko

AI-Powered Note Taking App

  • Stars

    11,153

  • Last commit

    2 months ago

  • License

    GPL-3.0
The next generation of open-source AI-powered card notes designed to help you quickly capture and organize inspiration so that ideas never run out.

Open Source Alternative to:

Notion
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