Apache Spark is a fast cluster computing system supporting interactive queries with SQL, machine learning, and graph computation all handled through the Spark API. The Apache Spark Java Library enables developers to quickly write programs in Java that access a unified engine in order to process large amounts of data. Supported by the Apache Software Foundation, the Java library comes well documented.
Last weekend at the AT&T Mobile Hackathon I had a pleasure of checking out the MongoLab's MongoDB service. In short: it was a delight to work with. I fell in love with that technology. It worked exactly the way I thought--MongoDB architects got it right. After spending a good part of the day fighting my hibernate configuration in JUnit I was pleasantly surprised when I saw that Mongo keeps their documentation and design accessible with plan old object and simple REST calls to its MongoLab API.
Total Transaction Management (TTM), a provider of transaction-oriented middleware, has launched RESTjee API software. RESTjee is designed to streamline creation and implementation of REST APIs for access to virtually any data store. Its ease of use stems from the elimination of server-side code.