Open source Todo and Note taking


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


Cherrytree is a hierarchical note taking application, featuring rich text and syntax highlighting. (GPL)

Linux - Windows

Getting Things GNOME!

The main objective of Getting Things Gnome! is to provide a simple, powerful and flexible organization tool to the GNOME desktop environment. (GPL)



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


Lifeograph is an off-line and private journal and note taking application for one's self evaluation of his/her own life. (GPL)



Notes is a simple application for creating, editing, and viewing notes. (GPL)



QOwnNotes is the open source plain-text file markdown note taking application for GNU/Linux, macOS and Windows, that (optionally) works together with the notes application like Nextcloud or ownCloud. (GPL)

Linux - Windows - MAC OS X


RedNotebook is a modern journal. It includes a calendar navigation, customizable templates, export functionality and word clouds. You can also format, tag and search your entries. (GPL)

Linux - Windows


SilentNotes is a note taking app which respects your privacy. The notes can be synchronized between Android and Windows devices. SilentNotes uses end-to-end encryption to protect the notes. (MPL)



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

Super Productivity

Organize your daily tasks in one place while making time tracking a lot less annoying. Super Productivity is a ToDo List / Time Tracker / Personal Jira Task Manager for Linux, MacOS and Windows aimed at reducing the time you spend with repetitive tasks and to provide you with a place to collect all the information you need to do your job. (MIT)

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


Xournal is a GTK+/Gnome application for notetaking, sketching, keeping a journal using a stylus on Tablet PCs and other platforms. (GPL)

Linux - FreeBSD


Zim is a WYSIWYG text editor written in Gtk2-Perl which aims to bring the concept of a wiki to your desktop. (GPL)

Linux - FreeBSD

16 applications