SQL Server 2014 Developer Edition lets developers build almost any kind of database application on top of SQL Server. It's licensed for use as a development and test system, not as a production server, and is an ideal choice for people who build and test database applications.
Developer Edition features: Accelerate performance for transaction processing, data warehousing, and Business Intelligence with In-Memory technologies built-in. Get easy access to data big and small, relational or non-relational, with a comprehensive Business Intelligence solution that spans on-premises and offers cloud connection points. Take advantage of tools and capabilities that unlock new hybrid scenarios like simplified database backup and disaster recovery to the cloud.