Mathway - Mathway is a freemium math solving app that helps you find the solutions to any math problem you can imagine.
Micro Work 4 all - New Website aiming to get more workers and job seekers to perform tiny task and make money.
MyScript Calculator - Perform mathematical operations naturally using your handwriting.
Picoworkers - Earn money from doing short, easy tasks similar to Microworkers. Picoworkers is the best alternative to Microworkers I ever find.
Math.com - Math.
Amazon Mechanical Turk - The online market place for work.