libview is VMware's Incredibly Exciting Widgets, a collection of GTK+ widgets used within VMware products. These widgets are the same ones used in VMware Workstation 5.0 and higher, and were considered useful enough to open source so that others could use them in their own projects. These widgets are actively developed and maintained.
PHP 2D/3D Pie Chart and Graph is a PHP script that provides a very easy way to embed dynamically generated pie chart and graphs to PHP applications and HTML Web pages. The graphing software is very easy to use and it's perfectly possible to add professional quality real time graphing to Web pages and applications within minutes.
Sudoku Sensei is not a Sudoku solver, but an "explainer". It can list the logical steps taken. It can generate new Sudokus and rank their difficulty. It supports not only 9x9 grids, but MxN, samurai, or any layout you can describe with the board editor. It has a GUI, manual, tutorial, and examples.
Standard GUI Framework for C is a framework for building GUI applications in ANSI/ISO standard C in a platform independent (i.e. portable) manner. The framework currently only targets X11, but there are plans to target both Microsoft Windows (Win32) and Apple Mac OS X (Carbon) after the initial release is done.
Ruby Asterisk Gateway Interface (RAGI) is a framework for bridging the Ruby on Rails Web application server environment and Asterisk, the open-source PBX. RAGI eases the development of interactive automated telephony applications such as IVR, call routing, automated call center, and extended IP-PBX functionality by leveraging the productivity of the Ruby on Rails framework. RAGI simplifies the process of creating rich telephony and Web applications with a single common Web application framework, object model, and database backend.
OpenSubsystems is set of business components for Java applications such as security, search, inventory management, order processing, shopping, email and fax communication, document management, imaging, and others. The components can be used directly on top of Java Virtual Machine (POJO) or using various J2EE application servers (EJB). This is all without changing a single line of code.
The HTTP extension for PHP aims to provide a convenient and powerful set of functionality for one of PHP's major applications. It eases handling of HTTP URLs, dates, redirects, headers, and messages, provides means for negotiation of clients' preferred language and charset, as well as a convenient way to send any arbitrary data with caching and resuming capabilities. It provides powerful request functionality if built with CURL support. Parallel requests are available for PHP 5 and greater.