An ORM module for the Kohana PHP framework that is designed to work with all major databases.

An easy-to-use lightweight SQLite 3 library written in Objective-C for Mac OS and iOS 4+ that will build SQL statements and manage database connections, plus an active record based ORM.

Active Merchant is a simple payment abstraction library extracted from Shopify. The aim of the project is to feel natural to Ruby users and to abstract as many parts as possible away from the user …

A data access layer and ORM for any PHP framework that is designed to work with all major SQL database dialects and drivers.

A functional PHP library, which promotes strong typing, immutable objects, and lazy evaluation.

Java tree, for general purpose. Functional approach.