Open Source Personal Knowledge Management (PKM) Tools using Bash
A curated collection of the best open source tools for organizing personal information and building knowledge graphs. using Bash.
AI workspace for docs, projects, and wikis you control
Stars
76,984Last commit
7 days agoLicense
AGPL-3.0
Open source collaborative workspace combining notes, databases, and AI with full data ownership, offline support, and self-hosting options.
Open Source Alternative to:
Self-hosted timeline for quick notes, logs, and snippets
Stars
63,418Last commit
19 hours agoLicense
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:
Encrypted note-taking that syncs across all your devices
Stars
56,525Last commit
4 hours agoLicense
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:
Privacy-first knowledge management with block-level linking
Stars
46,546Last commit
2 hours agoLicense
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:
Privacy-first knowledge base that connects your notes
Stars
45,080Last commit
3 hours agoLicense
AGPL-3.0
Local-first, open-source knowledge management tool with bidirectional linking, outlines, flashcards, PDF annotations, and whiteboards for building a connected second brain.
Open Source Alternative to:
AI second brain for research, automation, and personal agents
Stars
37,532Last commit
2 months agoLicense
AGPL-3.0
Self-hostable AI assistant that connects to your docs and the web, lets you build agents, schedule automations, and run research with verifiable citations.
Open Source Alternative to:
Privacy-first knowledge base with any AI model you choose
Stars
16,290Last commit
10 hours agoLicense
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:
AI-Powered Note Taking App
Stars
11,052Last commit
1 month agoLicense
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:
Private workspace for notes, tasks, and databases
Stars
8,865Last commit
4 days agoLicense
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:
Programmable notes with queries, Lua scripting, and wiki links
Stars
6,172Last commit
3 hours agoLicense
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:
Capture – Capture screenshots, generate PDFs, scrape content, extract metadata, and automate browsers with one API.
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