What are some alternatives?
Newgrounds - A community of artists, game developers, musicians, voice actors and writers who create and share some of the best stuff on the web!
Firebase - Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.
Kongregate - Kongregate has free games that you can play online. Choose from thousands of free flash games.
restdb.io - restdb.io lets you create databases and REST APIs quickly. Development databases are free. Powerful web-based and mobile-friendly data management.
Shockwave - Shockwave.com is the ultimate destination for free online games, free download games, and more!
Appcelerator - Native apps, Mobile APIs, Real-time analytics, One Platform.