Doit.im - Doit.
The Hit List - Your life is complicated, but managing it doesnt need to be.
Todo.ly - Todo.ly is an intuitive and easy to use online Todo list, and Task Manager. It helps you to get organized, simplify your life, and to get things done. Create todo lists, and manage them online from anywhere.
Conqu - Conqu is a simple yet powerful task management tool designed to help you conquer your inbox and get things done.
Remember The Task - My Softwares
Makagiga - Makagiga is an all-in application that is known for doing a variety of tasks such as one to-do manager, note-taking, to-do listing, and RSS reading.