BAAS - Backend As A Service

Here is a quick survey of the BAAS providers I've come across (although not used).  If I find the time, I'll do some analysis...

• https://parse.com
• http://www.kinvey.com
• http://www.kumulos.com
• http://www.stackmob.com (recently bought by Paypal)
• http://apigee.com/about/products/apis/edge-api-baas
• http://www.applicasa.com (for game apps)
• http://fatfractal.com