20 Cross platform development solutions

I've not used them all and know that some are fundamentally better than others. Some are better for apps and some are intended just for games.
But someone may find a use for this list. ;)

http://www.phonegap.com/
http://www.xamarin.com
http://www.apportable.com/
https://software.intel.com/en-us/intel-inde-multi-os-early-access
http://www.kony.com/
http://www.appcelerator.com/
http://www.telerik.com/appbuilder
http://5app.com/
http://www.alphasoftware.com/products.asp
http://www.qt.io/
https://coronalabs.com/
http://unity3d.com/
https://www.madewithmarmalade.com/
http://cocos2d.org/
http://www.monogame.net/
http://ifactr.com/
https://www.sencha.com/products/touch/
http://builtnativ.com/
http://www.appypie.com/
https://www.kinetise.com/