Doodle God - Doodle God puts the power of creation in your hands!
Crowdin - Localize your product in a seamless way
Gleamville - Gleamville is a Free, MMORPG, Browser-based, Social Networking, Fantasy and Virtual World Simulation.
OneSky - Full Stack Localization Solution
Little Alchemy - Little Alchemy is a Free to play, Browser-based, Puzzle and Education video game created and published by Reckloak.
Lokalise - Localization tool for software developers. Web-based collaborative multi-platform editor, API/CLI, numerous plugins, iOS and Android SDK.