LLBLGen is a simple open source code generator for generating Microsoft SQL Server

Microsoft SQL Server

Microsoft SQL Server is a relational database server, developed by Microsoft: It is a software product whose primary function is to store and retrieve data as requested by other software applications, be it those on the same computer or those running on another computer across a network...

 stored procedures and source code in the .NET

.NET Framework

The .NET Framework is a software framework that runs primarily on Microsoft Windows. It includes a large library and supports several programming languages which allows language interoperability...

 languages C# or VB.NET, created by Solutions Design bv. The source-code of LLBLGen is not publicly offered by Solutions Design, however is available in a codeproject.com article from 2002.

In 2003, LLBLGen was replaced by a commercial O/R mapper called LLBLGen Pro

LLBLGen Pro

LLBLGen Pro is an O/R mapper and code generator for the Microsoft .NET platform, created by . Computer programmers and software architects use this software to create a data-access tier and business objects tier in C# or VB.NET for several O/R mapping frameworks, like NHibernate, Entity Framework,...

, from the same company. Since the release of LLBLGen Pro, Solutions Design has stopped the development of the open source tool LLBLGen, to continue the development of the commercial O/R mapper LLBLGen Pro, which in May 2010 reached v3.0.