Xamarin - Create iOS, Android and Mac apps in C#
MongoDB - MongoDB (from "humongous") is a scalable, high-performance NoSQL database.
Kony - Kony is a mobile application application development platform that facilitates companies to deliver innovative mobile solutions.
Brilliant Database - Create a personal or business desktop database fast and easily using this simple all-in-one database software. Free 30 day trial.
Monaca - Monaca makes the hybrid mobile app development process with PhoneGap/Cordova simpler and...
CouchBase - Document-Oriented NoSQL Database