A free, open-source note-taking app built for a world where both you and an AI agent might be editing the same notes — plain markdown files, no vendor lock-in.
hubble.md
#note-taking
43 tools curated in this category — including Hubble, Dump Memory, Pennen
Find on mySelectas all sites and tools related to note-taking. This selection of 43 resources is reviewed and maintained by the community. The most popular include Hubble, Dump Memory, Pennen. Each tool comes with a review, tags, comparisons and alternatives to help you make the best choice.
An iPhone app where you dump anything — a photo, a voice note, a screenshot, a bookmark — and find it later just by describing what it was about, no folders needed.
dumpmemory.com
A calm, private handwritten journal app for iPad that gives you one page per day with Apple Pencil, sealing past entries as read-only with iCloud sync.
pennen.ir.studio
Native macOS task manager using plain text todo.txt format with keyboard-first workflow.
taskstxt.app
Voice-first planning app that transcribes spoken thoughts into tasks, calendar events, reminders, and notes. Supports 60+ languages and integrates with Apple ecosystem and popular productivity tools.
telldone.app
An open-source, offline-first note-taking app that stores everything as plain markdown files with full Git version control built in.
tolaria.md
OpenMarkdown is a tiny, instant-opening notes app that stores everything as plain text files on your computer — and it's built so an AI assistant like Claude can read and edit the same file right alongside you.
openmarkdown.dev
Instead of switching between a to-do app, a calendar and a notes app, Routine puts all three in one place and lets you talk to it — "remind me to call the plumber tomorrow" becomes a task without typing.
routine.co
MiaoYanLightweight Markdown app to help you write great sentences.
miaoyan.app
Cross-platform open-source code snippets manager with markdown and mermaid support. [![Open-Source Software][OSS Icon]](https://github.com/massCodeIO/massCode) ![Freeware][Freeware Icon]
masscode.io
Cross-platform open-source notepad with markdown support and to-do list management. [![Open-Source Software][OSS Icon]](https://github.com/laurent22/joplin) ![Freeware][Freeware Icon]
joplinapp.org
Notebook app for Markdown lovers built on top of Electron.
inkdrop.info
Writing app and task manager with a simple and interactive design.
goobapp.com
File System Notes is a modern notes manager, native on macOS and iOS. [![Open-Source Software][OSS Icon]](https://github.com/glushchenko/fsnotes) [![App Store][app-store Icon]](https://apps.apple.com/gb/app/fsnotes/id1277179284?platform=mac)
fsnot.es
Email yourself and much more with just one tap, native on macOS, iOS and WatchOS. [![App Store][app-store Icon]](https://apps.apple.com/us/app/email-me-notes-in-one-tap/id1090744587?platform=mac)
emailmeapp.net
A simple command line notebook with multi-device sync and a web interface. [![Open-Source Software][OSS Icon]](https://github.com/dnote/dnote) ![Freeware][Freeware Icon]
getdnote.com
Beautiful, flexible writing app for crafting notes and prose. [![App Store][app-store Icon]](https://apps.apple.com/us/app/bear-beautiful-writing-app/id1091189122?ls=1&platform=mac)
bear-writer.com
Open-source alternative to Notion. [![Open-Source Software][OSS Icon]](https://github.com/AppFlowy-IO/appflowy) ![Freeware][Freeware Icon]
appflowy.io
Date-focused note taking app for both planning and documenting your projects. [![App Store][app-store Icon]](https://apps.apple.com/app/id1287445660?platform=mac)
agenda.com
Affine is the next-generation collaborative knowledge base for professionals. [![Open-Source Software][OSS Icon]](https://github.com/toeverything/AFFiNE) ![Freeware][Freeware Icon]
affine.pro