Open Source Windows Frameworks

wxWidgets is a C++ library that lets developers create applications for Windows, Mac OS X, Linux and other platforms with a single code base. It has popular language bindings for Python, Perl, Ruby and many other languages, and unlike other cross-platform toolkits, wxWidgets gives applications a truly native look and feel because it uses the platform's native API rather than emulating the GUI. It's also extensive, free, open-source and mature.

PLEASE NOTE: Latest XOOPS files are on http://github.com/xoops and http://github.com/xoopsmodules25x) XOOPS is a Web application platform written in PHP for the MySQL database. Its object orientation makes it an ideal tool for developing small or large community websites, intra-company and corporate portals, weblogs, and much more. XOOPS is an acronym of eXtensible Object Oriented Portal System. Initially a portal system, XOOPS is now a leading content management system (CMS) that serves as a versatile Web framework. XOOPS can also be used as a weblog or journal via a standard install using the News module alone. Another approach is to use modules like News, Forum, Download, Web Links, etc. to form a community that interacts with members and visitors. Or think big, like an enterprise, and develop modules to use with eShop that integrate into XOOP's uniform user management system. XOOPS is released under the terms of the GNU General Public License (GPL)

ZK is an open-source Java framework for building modern web and mobile applications. It enables developers to create rich, interactive UIs using only Java — no JavaScript required. With 200+ Ajax-powered components, event-driven architecture, and support for popular technologies like Spring, Java EE, and JSP/JSF, ZK makes it simple to deliver powerful and user-friendly web applications.

OpenSwing is a components library that provides a rich set of advanced graphics components for developing desktop applications and HTTP/RMI based java applications/RIAs based on Swing front-end. It provides also adapters for Hibernate, JPA, iBatis, etc.

Open Source Web Application Framework for the Microsoft ASP.NET platform.

The DotNetWikiBot Framework was developed so that it can offer a helping hand with many complicated and routine tasks of wiki site development and maintenance. DotNetWikiBot Framework is a cross-platform full-featured client API, that allows you to build programs and web robots easily to manage information on MediaWiki-powered sites. DotNetWikiBot Framework can also be used for learning C# and .NET.

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.

Robosoccer simulation and test framework at ELTE-IK

SMILE stands for Script Mechanism in a Lexicon Environment. It provides a JavaScript event-driven architecture for writing parsers of natural language grammars.

TraSer is an open-source software package for tracking and tracing of physical items or digitally stored documents, especially meant for small businesses. TraSer relies on web-services and uses its own identifier scheme but may adapt to other schemes.