Anito.net is an under development, simple, open source Object Relational Mapping framework for .Net that aims to speed up database-driven development through reusable patterns and database independent solutions. Supported database MS-SQL, MySQL, SQLite and MongoDB

CoolStorage.NET is a fully typed Object Relational Mapping library for .NET 2.0. Advanced use of generics make this ORM library extremely intuitive to use. As of May 1st, 2009, this project has been moved to the Vici Project (www.viciproject.com)

Just as the name, it's an data access component. It provides a library of classes and a tool, using it in .net project can make data accessing more easily.

DataLite is a DAO generator to sqlite using nvelocity. Generate test with Unitest. You can use in small proyect or for learning.

DbEntry.Net (Leafing Framework) is a lightweight, high performance ORM compnent for .Net. It provides MVC, IoC framework as well.

dk2Repository is a expandable light weight data access layer supporting SqLite, MySql and SQL Server. The primary focus is on combining an or-mapper with the possibility to invoke custom sql queries.