Joplin, the open source note-taking application
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.
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 π)
Note-ifying all the things (with Boris Mann)
Conversation about note-taking, the overwhelm of tools, and future possibilities. (shortlink:β¦
Introducing Whisper β 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 β 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/UZWGkUDJ6dβ 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.
EuterPen: Unleashing Creative Expression in Music Score Writing
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 β only private notes. Unlike Evernote and other note apps, your data is private β not open for everyone to see.
openguitar.org
@openguitar.org
experimental nylon-string guitar and musical work πopenguitar.org
Note taking apps
Notes, Outliners, Markdown Editors, PKMs, Memexs, Second Brains, Commonplace books, and more
Let your thoughts sink in β Gravity
Knowledgebase Apps (by Boris) β Semble
Treehouse: Note-taking Frontend
cybersemics/em
Wiki (by Boris) β Semble
self-hostable notion replacements (by Tyler Lawson) β Semble