Hibernate ORM - Hibernate team account. Hibernate is a suite of open source projects around domain models. The flagship project is Hibernate ORM, the Object Relational Mapper.

OpenXava - OpenXava is a Web Java Framework for Rapid Development of Enterprise Applications.

Entity Framework - See Comparison of Entity Framework vs NHibernate.

jHipster - JHipster is a development platform to quickly generate, develop, & deploy modern web applications & microservice architectures.

LLBLGen Pro - LLBLGen Pro: Using databases in your .NET code made easy. The entity modeling solution for Entity Framework, LLBLGen Pro Runtime Framework, NHibernate and Linq to SQL.

Spring Framework - The Spring Framework provides a comprehensive programming and configuration model for modern Java-based enterprise applications - on any kind of deployment platform.