Online Book Club - OnlineBookClub.org is an awesome site for readers. We have international book discussions, virtual bookshelves to track what you have read, original book reviews and much more!
Amazon Mechanical Turk - The online market place for work.
SerpClix - SerpClix is a click exchange network used to send more real clicks to your Google SERP. You can click to earn money or buy clicks to rank higher on Google.
Crowdin - Localize your product in a seamless way
Readers’ Favorite - Readers' Favorite provides free book reviews for authors and hosts a respected annual book award contest.
Picoworkers - Earn money from doing short, easy tasks similar to Microworkers. Picoworkers is the best alternative to Microworkers I ever find.