What are some alternatives?
Firebase - Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.
Armor Games - Play free online games at Armor Games! We're the best online games website, featuring shooting games, puzzle games, strategy games, war games, and much more...
Android Studio - Android development environment based on IntelliJ IDEA
Newgrounds - A community of artists, game developers, musicians, voice actors and writers who create and share some of the best stuff on the web!
Xcode - Xcode 4 is the new version of Apple’s powerful integrated development environment for creating great apps for Mac, iPhone, and iPad. Xcode 4 includes the Xcode IDE, instruments, iOS Simulator, and the latest Mac OS X and iOS SDKs.
Friv - A safe place to play the very best free games!