Memorigi (free/premium) This colorful, beautifully designed app is simple to use yet packed with some excellent features. It’s a daily planner, task manager, and to-do list in one.

Do! is a simple to-do list app by Simplerion, offering a minimalist interface and unique features. You can organize tasks with colored tags, set reminders, and easily search for tasks.

If you like your apps colorfully coordinated, try Memorigi. This Android-only app is a to-do list, task manager, and planner all-in-one, making it easy to keep track of your studies and other ...

Todoist is a simple app that works to gamify productivity, giving you lots of sweet "karma" points for finishing items. Karma doesn't really do anything, but it sure does feel good to rack it up ...

The app is based solely on the use of now-common gestures: swipes, pulls and pinches. There are no buttons with Clear, and yet, it's surprisingly simple to use. In fact, that's the point.

Clear, a simple and incredibly beautiful productivity app for iOS and Mac OS X, has been updated today with the ability to send to-do lists to another user by email. When TNW’s Matthew Panzarino ...

I want it to be easy to add to, easy to mark off, easy to organize, and simply get out of the way. It’s the heaviness of my GTD app that allows my simple list app to be light.

All you have to do to start using the app with sync is sign up for a free Dropkick account which lets you sync across the iPhone and Mac up to 10 tasks. If you want to sync more, there’s a $1.99 ...