WeDo VS EssentialPIM

Todoist - Todoist is a to-do list that helps you get organized, at work and in life.

Todo.txt - Track your tasks and projects in a plain text file, todo.txt. A todo.

Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.

Task Coach - Task Coach is a simple open source todo manager to keep track of personal tasks and todo lists.

Zenkit - Zenkit is the home you always wanted for your ideas, your projects, your business.

Strikethru - Strikethru is a kind of to-do list notebook for managing work lists and staying updated with the important tasks.