Smthngs

a uncluttered gtd online system with offline mode. good online alternative to things on mac (cultured code).

Free Android Web

Firetask

Firetask combines concepts from David Allen's innovative Getting Things Done (GTD) approach with practical elements of classical task management such as due dates...

Commercial Mac OS X iPhone

WinMilk

WinMilk is a Windows Phone client for the to-do list service 'Remember the Milk'. WinMilk lets you view your RTM tasks by date, list, smart list and tag, as well...

Free Open Source Windows Phone

Due Today

Due Today offers a powerful solution to organize your tasks and projects using a mixture of David Allen's Getting Things Done methodology and your own organizational...

Freemium Windows Android Web

iGTD

iGTD: Getting Things Done for MAC is a very useful MAC tool to get organised

Freemium Mac OS X

Actiontext

Actiontext is a very simple and basic universal app for managing your tasks. It uses the todo.txt file format. You can then synchronise the file with your cloud provider...

Free Open Source Windows Windows 10

Lifestyle Inspector

Lifestyle Inspector is a free windows GTD/productivity/todo-list app with integrated Mind-mapping and powerful personal productivity reports. It has the following...

Free Windows

cloudpad

cloudpad is a beautifully designed to-do list, calendar & planner, to help manage your workspace – for free.

Free Web

Trim Milk

Take your to-do lists with you wherever you go with this awesome, fast, reliable app and never forget the milk (or anything else) again. Trim Milk connects with the...

Free Windows Phone

CleverToDo

Clever Software released new version of CleverToDo - a popular ToDo application with unique features! Simplify your daily life, lighten your memory and stay productive...

Freemium Windows Phone

Handle

Handle combines your to-dos, email, and calendar so you know exactly what you need to accomplish today, tomorrow, and beyond.

Free Mac OS X Windows Linux iPhone iPad

Milkify

Milkify is a desktop client for Remember The Milk, the awesome "to-do list" web application. It allows you to manage your tasks from the desktop, the same way...

Free Open Source Windows

Midnight Inbox

The original Mac GTD application, Midnight Inbox started it all way back in 2005. Inbox is still the only Mac GTD application to include more than just to-do lists and...

Freemium Mac OS X iPhone iPad

MyMaelstrom

MyMaelstrom is a professional time management software designed to enable you to efficiently organize your projects. MyMaelstrom allows you to pause projects and...

Freemium Windows

ccToDo To-Do List

Too much to do? Too many lists for too many business and personal projects? Sort them once and for all online at ccToDo.com. ccToDo is the easy, cloud-based to-do list...

Free Personal Windows

DoItNow!

Do it now is a simple todo list for Mac OSX 10.6 and newer. Creating tasks can't be any simpler - just type it into the text box, and DoItNow! should automatically...

Commercial Mac OS X

GoGetter

GoGetter is a task management system based on David Allen’s ever so popular Getting Things Done methodology. GoGetter will help you stay organized and stay on track of...

Commercial Windows Phone

Quantus Tasks

Use OmniFocus on your Android device.

Commercial Android Google Play Store

Strike

Managing to-dos can be a job in itself. How much harder would it be if you needed to share your list with the team? Strike makes task lists and collaboration easy and...

Free Web

xList

Create and share your to-do lists. xList is a to-do list manager with a effortless interface. It allows tagging, prioritizing, and filtering to ensure that you do not...

Freemium Mac OS X iPhone iPad