A uncluttered GTD online system with offline mode. Good online alternative to Things on Mac (Cultured Code).

Cheddar keeps your world organized. It's easy to use on your iPhone, iPod touch, iPad, and on the web. Cheddar is super simple and instantly in sync on all of your devices.

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

Priority Planner for Effective People.

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. To-dos can be created as thoughts and actions, which can then be assigned to the Next Action, Today, or Someday...

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.

ReminderFox displays and manages lists of reminders and ToDo's. ReminderFox makes sure you remember all of your important dates via easy-to-use lists, alerts, and alarms, right in your browser without the need for a separate calendar program.

Put your most important task or goal in the menu bar. Its presence there will help remind you without being annoying.

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 scheme.

Intend was designed to fix some of the major flaws that make other productivity tools uncomfortable to use. With Intend you start each day fresh and set intentions based on what feels energizing, important and feasible that day, in the context of what you care about big picture.

Chaos Control was created to help you manage your goals and desired outcomes in both your business and personal life. Just write them down to make them real. This simple technique helps you to prioritize your goals before acting on them.

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