Open source Note taking for MAC OS X


Boostnote is the note-taking app for programmers that focuses on markdown, snippets, and customizability. Edit your code and wikis from anywhere. (GPL)

Linux - Windows - MAC OS X


Jarnal is an open-source application for notetaking, sketching. (GPL)



Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organised into notebooks. The notes are searchable, can be copied, tagged and modified either from the applications directly or from your own text editor. (MIT)

Linux - Windows - MAC OS X

nvALT 2

nvALT 2 is a way to take notes quickly and effortlessly using just your keyboard. It's a fork of the original Notational Velocity with some additional features and interface modifications, including MultiMarkdown functionality. (MIT)



Sleek is an open-source todo app that makes use of the todo.txt format. Sleeks GUI is modern and clean yet offers a decent set of functions which help users getting things done. Sleek is available as a client for Windows, MacOS and Linux. (GPL)

Linux - Windows - MAC OS X

Standard Notes

Standard Notes is a simple and private notes app available on most platforms, including Web, Mac, Windows, Linux, iOS, and Android. It focuses on simplicity, and encrypts data locally before it ever touches a cloud. This means no one can read your notes but you (not even us). (AGPL)

Linux - Windows - MAC OS X

Task Coach

Task Coach is a simple open source todo manager to manage personal tasks and todo lists. (GPL)

Linux - FreeBSD - Windows - MAC OS X

7 applications