jVantage is a visual web development tool that provides rapid application development (RAD) capabilities, based on a Service Oriented Architecture (SOA) and the Java EE (J2EE) platform
PHP5 RAD and object oriented PHP framework for building event-driven stateful web applications. Based on Zend Framework, features tableless HTML, multiple databases, accesskey support, auto data type recognition, transparent AJAX, UTF-8, i18n/l10n.
Thebox is a RADtool for develop e-commerce,portal,intranet and others solutions. It's composed by Blackbox API, Fullbox Framework and Pandora Workbench. Full functional templates (Concept-API) are also provided with several themes.
Cross platform and cross browser generic rapid application development studio tool, runs on Java/Reflection, hibernate, spring and DOJO ajax framework. Provides drag and drop design and development of applications live on intranet or internet.
The PyQt4D (Python Qt for Designer) is an Open Source Project making Qt Designer full-featured RAD (Rapid Application Development) tool to develop data-aware two- or multi-tier applications using Python language and Qt library.