Open source Note taking

Boostnote

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

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)

Linux

Gnote

Gnote is a port of Tomboy to C++. It is the same note taking application, including most of the add-ins (more are to come). (GPL)

Linux - FreeBSD

Go For It!

Go For It! is a simple and stylish productivity app, featuring a to-do list, merged with a timer that keeps your focus on the current task. (GPL)

Linux - Windows

Jarnal

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

Cross-platform

Joplin

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

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

Linux

Nitro

Nitro is a fully-featured note taking application. It sports a clean, minimal interface that makes using the application straightforward and intuitive. (BSD)

Linux

Notes

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

Linux

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)

MAC OS X

Osmo

Osmo is a handy personal organizer, which includes calendar, tasks manager and address book modules. (GPL)

Linux - Windows

Project Hamster

Project Hamster is time tracking for masses. It helps you to keep track on how much time you have spent during the day on activities you have set up. (GPL)

Linux - FreeBSD

RedNotebook

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

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)

Windows

Sleek

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

Xournal

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

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

20 applications