The Rackspace Node.js SDK is a development kit that lets developers integrate multiple different Rackspace APIs with their applications, using Node.js. Some of the Rackspace services that this SDK supports include Cloud Files, Cloud Block Storage, and Cloud DNS.
Heroku is at the end of its first full year as part of Salesforce.com. During that year, the number of applications running on the platform has grown eight fold to over 800,000. Byron Sebastian, Heroku's CEO, said that much of this growth has come from an increasing presence of enterprise customers, many of whom are new to the API-driven Platform-as-a-Service offering that Heroku offers.