Execute LINQ at design time. LINQ Insight is a powerful visual studio add-in for testing LINQ queries and previewing their result at design-time, LINQ Insight greatly simplifies creating and debugging LINQ queries. It allows you to immediately execute LINQ queries right from your code just as you write them. It supports LINQ to Entities (Entity Framework), LINQ to NHibernate, LINQ to SQL, LinqConnect, LINQ to XML, and LINQ to Objects. LINQ Insight is available in two editions: Standard and Express. The Express Edition is free and allows you to view SQL, generated for LINQ to SQL, LINQ to Entities, LINQ to NHibernate, and LinqConnect queries, with its parameters. The Standard Edition adds the possibility to view and edit the data, returned by LINQ queries.