Getting Things GNOME

Getting Things Gnome! is an organizer for the GNOME desktop environment. GTG focuses on usability and ease of use. Its main objective is to provide a simple, powerful and flexible organization tool to the GNOME desktop environment.

Free Open Source Linux

Tasque

Tasque is a simple task management app (TODO list). The main window has the ability to complete a task, change the priority, change the name, and change the due date without additional property dialogs.

Free Open Source Mac OS X Windows Linux

Conqu

Conqu is an easy to use yet powerful task management tool designed to help you conquer your inbox and get things done.

Freemium Mac OS X Windows Linux Android iPhone Android Tablet iPad Blackberry

TeuxDeux

A simple todo-List manager with a focused clutter-free design to help you get things done.

Commercial iPhone Web

GeeTeeDee

GeeTeeDee is a fancy, lightweight, easy to use and effective task management software.

Free Mac OS X Windows Linux

Remember The Task

Remember The Task is a light-weight ToDo application that allows you to maintain a list of tasks to be done. It Syncs with Remember The Milk so you can manage your tasks...

Free Mac OS X Windows Linux

Wieldy

Wieldy is a free to-do list manager that is based on the principles of GTD (Getting Things Done). It allows you to manage your to-dos in a simple but effective way....

Free Windows Windows Mobile

Agenda

A simple, slick, speedy, no-nonsense task manager.

Free Open Source Linux

GoodTask

GoodTask 3 is a Powerful Task/Project Manager based on iOS Reminders & Calendars. You can use it as simple checklist to focus or as complex project management tool to get big things done.

Freemium iPhone iPad Apple Watch

ReminderFox

ReminderFox displays and manages lists of reminders and ToDo's.

Free Open Source Mac OS X Windows Linux Firefox Thunderbird Waterfox Pale Moon

Timeline: tasks assistant

Timeline is your personal task assistant. Times of simple to-do lists are gone. Instant flow of duties, growing amount of projects and deadlines becomes...

Freemium Android

Remember

Remember is a to-do list application, focused on being straightforward and non- disruptive. We dont believe in clunky applications where task management itself becomes a...

Free Mac OS X

Azha

Azha is a social to-do list and calendar app. You can make task lists, add friends and see their lists, instant message, and send tasks.

Free iPhone iPad

RightTasks for Gmail

RightTasks places your Google Tasks in a right sidebar in Gmail, like in Google Calendar. This is especially useful if you keep Gmail open and want to see your tasks...

Free Windows Chrome Firefox Opera

Taskline

Taskline, task management software for Microsoft Outlook, automatically schedules tasks to puts you in control of your task list.

Commercial Windows Microsoft Office Outlook

Taskcode

Taskcode is a task manager with a unique data input system. Unlike other reminder apps, where the user constantly have to tap from one option to another, Taskcode allows...

Free iPhone iPad

Paper Bullet

Todo List for Evernote.

Commercial Windows iPhone Web Evernote

Taskian

Web based task management software designed for keeping track of pending changes on multiple projects.

Free Web

Todoist Wall

Todoist Wall is a todo list web app that works offline and syncs with your Todoist account. Add the web app to your iPhone home screen to activate the fullscreen view....

Free iPhone Web