A hybrid ORM library for .NET.
Realm is a mobile database: a replacement for SQLite & ORMs
Object-database mapper for .NET
C++ Qt ORM (Object Relational Mapping) and ODM library
A convention-based object-object mapper in .NET
Solr client for .Net
NHibernate Object Relational Mapper
Light and powerful C++ web framework for web applications
Source for the TechEmpower Framework Benchmarks project
.NET Transactional Document DB and Event Store on PostgreSQL
CCG (Crud Class Generator) is a ORM tool for .Net
A lightweight and high-performance Object/Relational Mapping(ORM)
The CCM is a mini ORM, working with the database and C# collections
Mark Stephen Sobkow's Code Factory
lunaOrm - Datalayer Code Generator for Vb.Net and C#
Auto code generation for many languages.
Data/Document Work Flow application
PhantomDB ORM es una librería para mapear objetos a bases de datos
HORK v1.1 Object Relational Mapping (ORM) toolKit