Crowdin - Localize your product in a seamless way
Micro Work 4 all - New Website aiming to get more workers and job seekers to perform tiny task and make money.
POEditor - The translation and localization management platform that's easy to use *and* affordable!
Picoworkers - Earn money from doing short, easy tasks similar to Microworkers. Picoworkers is the best alternative to Microworkers I ever find.
Lokalise - Localization tool for software developers. Web-based collaborative multi-platform editor, API/CLI, numerous plugins, iOS and Android SDK.
Fiverr - One marketplace, millions of professional services.