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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

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55,424
Forks
6,170
Last commit
15 hours ago

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

Privacy-first knowledge base with any AI model you choose

Stars
15,177
Forks
1,455
Last commit
8 hours ago

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
10,636
Forks
743
Last commit
14 days ago

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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