REALbasic is a cross-platform software development environment for developers who want to create and deliver native applications for Mac OS, Windows, and Linux. For example, you can create an application for Mac OS and Linux from a Windows machine. It is intended for people with all levels of programming experience. It is object-oriented, powerful, and supports advanced programming concepts like inheritance, polymorphism, interfaces, delegates, introspection, etc.
The ATK Framework is a PHP business framework. It is targeted at developers who wish to focus on business logic instead of coding HTML. ATK provides a complete framework that requires only small amounts of code to get usable applications, while maintaining full flexibility. ATK has a model driven approach, but is 100% customizable.
Cruddy! is an instant CRUD Web front-end, featuring auto-discovery of the data dictionary. It is similar to phpMyAdmin in the plug-and-play manner, but much more user-friendly for staff and clients with access restrictions. Unlike phpMyAdmin, Cruddy!'s underlying CGI::CRUD is a full object-oriented webapp development framework. Currently, Oracle and MySQL RDBMS are supported. Cruddy! is stable and used in several production sites around the world including ValueClick, Inc.