Apache Usergrid vs. Salesforce Heroku

Apache Usergrid is an open-source Backend-as-a-Service) composed of an integrated distributed NoSQL database, application layer and client tier with SDKs for developers looking to rapidly build web and/or mobile applications. It provides elementary services (user registration & management, data storage, file storage, queues) and retrieval features (full text search, geolocation search, joins) to power common app features.

Heroku is a cloud application platform that combines compute, data, and workflow with a high-productivity developer experience. Heroku Enterprise offers the same great developer experience along with enterprise-grade control, collaboration, and compliance. The platform gives enterprise teams the quickest path to delivering trusted customer experiences at scale.