ent is a simple, yet powerful entity framework for Go, that makes it easy to build and maintain applications with large data-models

The fantastic ORM library for Golang, aims to be developer friendly.

The Postgresql object model manager for PHP

Pomm is an open source database access framework coupled with an Object Model Manager dedicated to the Postgresql™ database. It offers an alternative approach than ORM to using database in web developments.

A minimalist database toolkit for PHP5.

Object relational mapper (ORM), fluent SQL query builder and Active Record implementation for PHP.

Impel takes the pain out of working with HTML5 asynchronous databases.

Statement callbacks? Transaction callbacks? One-to-many and many-to-many relationships? How the heck do I deal with all without my head exploding?

PHP Object Relational Mapper