c15t – Open-source cookie banner, built for control and lightening fast modern web apps.

Learn more

Open Source Personal Knowledge Management (PKM) Tools using Sentry

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

Joplin

Encrypted note-taking that syncs across all your devices

Stars
55,145
Forks
6,134
Last commit
10 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

Logseq

Privacy-first knowledge base that connects your notes

Stars
43,297
Forks
2,671
Last commit
3 hours ago

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:

Notion

AnyType

Private workspace for notes, tasks, and databases

Stars
8,071
Forks
518
Last commit
6 hours ago

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

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit