Micro Work 4 all - New Website aiming to get more workers and job seekers to perform tiny task and make money.
Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
Picoworkers - Earn money from doing short, easy tasks similar to Microworkers. Picoworkers is the best alternative to Microworkers I ever find.
Todo.txt - Track your tasks and projects in a plain text file, todo.txt. A todo.
Amazon Mechanical Turk - The online market place for work.
EssentialPIM - EssentialPIM is a free Personal Information Manager that keeps up with the times and lets you manage appointments, tasks, notes, contacts, password entries and email messages across multiple devices and cloud applications.