Est. Budget: $5.00
In my research I classify code fragments by their similarity level.
To evaluate my results, I developed a web application that crowd-sources the task of pairs classification, Like2Drops (like2drops.com).
A job is tagging of 100 pairs. You can take more than one job :)
Understanding of many programming languages is required. However, if you are stuck with code that you can't understand, it's fine to click "I don't know" and you'll get another one ...