Joplin website

Treehouse: Note-taking Frontend

An open source note-taking frontend to extend and customize. Bring your own backend or configure a built-in backend to get started.

Mustard

A browser extension that lets you annotate any webpage with notes and share them with your Bluesky and/or GitHub followers.

Hyperdraft

Turn your text notes into a website.

Mustard Notes (@mustardnotes.com)

I'm a firefox & chrome browser extension that lets you put notes on any website AND have your bluesky/GitHub followers see them! chrome.mustardnotes.com firefox.mustardnotes.com (still in development and a hobby project so expect some rough edges 🙃)

Note-ifying all the things (with Boris Mann)

Conversation about note-taking, the overwhelm of tools, and future possibilities. (shortlink:…

Introducing Whisper – an open source voice note taking app! Record voice notes and transcribe them into lists, blogs, & more with AI. 100% free & open source. https://t.co/UZWGkUDJ6d

Introducing Whisper – an open source voice note taking app!Record voice notes and transcribe them into lists, blogs, & more with AI.100% free & open source. pic.twitter.com/UZWGkUDJ6d— Hassan (@nutlope) July 22, 2025

Margin - Chrome Web Store

Annotate and highlight any webpage, with your notes saved to the decentralized AT Protocol.

Margin - Chrome Web Store

Annotate and highlight any webpage, with your notes saved to the decentralized AT Protocol.

Margin - Chrome Web Store

Annotate and highlight any webpage, with your notes saved to the decentralized AT Protocol.

Open Guitar

OpenGuitar: Technology through Music.

Music theory for programmers

I can't play an instrument, so I worked out music theory in JavaScript instead. Twelve notes, scales and chords, derived from scratch with code you can hear.

Notes Against Note-Taking Systems

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Neuron Zettelkasten

Neuron is a future-proof open-source app for managing your plain-text notes in Zettelkasten style, as well as for publishing them as a static site on the web. Read its Philosophy.

Notesnook | Open source & zero knowledge private note taking app

Express yourself with freedom, no spying, no tracking — only private notes. Unlike Evernote and other note apps, your data is private — not open for everyone to see.