QuickCIM is a great free open source tool for CodeIgniter Models generation based on templates from database tables.
The generated models extends of MY_Model by Chris Schmitz (https://github.com/ccschmitz/codeIgniter-base-model). Also check http://davidburgosonline.com/desarrollo-web/2012/como-automatizar-modelos-codeigniter-my-model/ for additional use info.
Written in PHP & Javascript using CodeIgniter, jQuery and Backbone.js frameworks.
Developed by the manteiner Klederson Bueno, phpBurn is a MVC FRAMEWORK for PHP usage, initialy born as an ORM like hibernate and Nhibernate it allows you to create more and faster using OO concepts and patterns with a log of time gain.
Surreal ToDo is an AJAX enabled web 2.0 list manager written in php with jquery and mysql. Lists are organized in tabs that allow multiple pages per tab. Everything is drag and drop for organization.
Kambada is a web kanban board manager for any propose such as software development and factory production line. It's intended to organize departments, groups and tasks for agility.