Doit.im - Doit.
TaskUnifier - TaskUnifier - Task Management Application
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.
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.
TickTick - TickTickis a cross-platform to-do list app & task manager helps you to get all things done and make life well organized.