Notebook GitHub Repositories (2026) · Open Source Tools

Build your personal knowledge base with Trilium Notes

Fast Markdown note-taking app for Mac and iPhone

QOwnNotes is a plain-text file notepad and todo-list manager with Markdown support and Nextcloud / ownCloud integration.

🎈 Simple reactive notebooks for Julia

Wolfram Language / Mathematica reimplementation in Rust (Wolfram oxidized)

A fully open source & end-to-end encrypted note taking alternative to Evernote.

Jivejdon is a chain notebook with DDD/CQRS/Clean architecture

Support for jupyter notebook templates in jupyterlab

:notebook: eLabFTW is the most popular open source electronic lab notebook for research labs.

Grimoire: a handwriting notebook for the jailbroken Kindle Scribe. Sheet music and tab paper, nine pens (incl. charcoal and a tilt-aware calligraphy nib), PDF export over Wi-Fi/USB, pixel-gothic UI. GPL-3.0. Not affiliated with Amazon.

✎ Android client for Nextcloud Notes app.