
SQL Server 2016 Developer Edition, released this year, is free. To learn more about the exciting new features in SQL Server 2016, read the datasheet http://download.microsoft.com/download/C/5/3/C53C3AEF-653C-4598-8721-D522E8AC6A3A/SQL_Server_2016_Everything_Built-In_Datasheet_EN_US.pdf.