具有开源许可证的Firebase版GameSparks的替代方案

• Firebase
  所有平台 Windows Mac Linux Chrome OS Android iPhone Windows Phone Blackberry Apple Watch Android Wear iPad Android Tablet Web Self-Hosted Software as a Service (SaaS) Xbox Playstation jQuery Windows Mobile Java Mobile Apple TV npm Unity Amazon Web Services Heroku MongoDB Firebase Unreal Development Kit AWS Mobile Hub Appcelerator Urban Airship Parse Server Parse deployd NodeChef Backendless
• 开源许可证
  任何牌照 免费许可证 开源许可证 商业牌照