Rackspace Cloud .NET SDK by Rackspace is Rackspace's official OpenStack SDK for Microsoft .NET. Some of the services that this SDK supports are Auto Scale, Cloud Block Storage, Cloud DNS, and Cloud Databases.
Firebase, real-time backend for web application development, originally launched a little over a year ago. Since its launch, Firebase has remained in beta while it continued to improve its service and build a customer base. Over the past year, Firebase has added features, functionality, and thousands of customers. Accordingly, Firebase has announced it is leaving its beta stages behind and publically launching as a full-fledged paid product.