Ekiga (formely known as GnomeMeeting) is a soft phone, video conferencing, and instant messenger application for use over the Internet. It supports HD sound quality and video up to DVD size and quality. It is interoperable with many other standards compliant software, hardware, and service providers as it uses both of the major telephony standards, SIP and H.323.
Moodle is a learning management system for producing Internet-based course Web sites. It is written in PHP and is easy to install and use on Linux, Windows, Mac OS X, SunOS, BSD, and Netware 6. It has been designed to support modern pedagogies based on social constructionist theory, and includes activity modules such as forums, chats, resources, journals, quizzes, surveys, choices, workshops, glossaries, lessons, and assignments. It has been translated into over 70 languages, with more on the way, and supports the popular SCORM standard for content packaging. Moodle offers a free alternative to commercial software such as WebCT or Blackboard, and is being used by a growing number of universities, schools, and independent teachers for distance education or to supplement face-to-face teaching.
Foswiki is wiki software, supporting the editing of Web pages in an ordinary Web browser by end users. What makes Foswiki special is that it supports the embedding of active and passive macros that enhance the page content (e.g. with global or dynamic information) and allow end-users to build applications that store and process data in a structured manner.
Dokeos is a Web application to manage learning and collaboration activities. It allows the teacher/trainer to create content, to structure activities along a sequenced path, to interact with students/trainees, and to follow their progress. It has been translated into 31 languages, and is used by more than 3500 organizations worldwide.
adept is a system for developing short courses for users needing to learn specific skills or knowledge. adept provides JIT ("just in time") learning, in contrast to the more usual "just in case" learning. It can be used as an intranet application to propagate knowledge to employees, or to educate customers via your homepage.
Diogenes is a tool for searching and browsing the Latin and ancient Greek texts published on CD-ROM by the Packard Humanities Institute and the Thesaurus Linguae Graecae. It comes as an easy-to-install stand-alone application for GNU/Linux, Mac OS X, and Windows, based on the Firefox browser (i.e. Xulrunner). Alternatively, it can be installed by a network administrator as a server on a local network, and users then access it via an ordinary Web browser. There is also a command-line tool which can optionally format output as LaTeX instead of HTML.
libQGLViewer is a C++ library based on Qt that eases the creation of OpenGL 3D viewers. It provides some of the typical 3D viewer functionality, such as the ability to move the camera using the mouse, which is lacking in most of the other APIs. Other features include mouse manipulated frames, interpolated keyFrames, object selection, stereo display, screenshot saving, and much more. It can be used by OpenGL beginners as well as to create complex applications, being fully customizable and easy to extend. It ships with many examples and comprehensive documentation.