Starling is a cross platform game engine.
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Starling is just 12k lines of code and doesn't try to do everything — but what it does, as efficient as possible.
Pro Feathers User Interface Components
With Feathers, you can easily add great user interfaces to your games — or even create business apps with Starling.
Pro Free and open source
Pro Strong community support
Pro Hardware accelerated rendering
Let the GPU do the rendering, the CPU has more important tasks to do.
Pro Works with Flash
With UI, you can design it in Flash Professional (powerful 2D editor), export to swf file, use GAF convert swf file to gaf file, finnally, load gaf file to Starling. GAF can convert a lot of file swf to one atlas. Alway use same resource in design files (fla) to optimize atlas size, avoid duplicate asset in atlas.
You can use flash to create animation for starling.
Pro Works with AIR's native extensions
Using AIR's native extensions any native code that can be written can be run and used by the game engine.
Pro Cross Platform
It can be exported to web flash player, iOS, Android, Windows, and OS X
Pro Constantly updated
New features are added regularly.
Pro Better performance than most alternatives
Starling can run more animated display objects than Unity2D and many others frameworks at 60 fps.
Con Poor text/font support
It supports only 2 features for text rendering
- Basic bitmap font with static batching
- Draw and upload texture in runtime
So every new text field required texture uploads or vertex/idnex buffer uploads
Con Engine supported mainly by one man
Its open source but in most cases community features or pull request are canceled.