eFront - Open Source eLearning Software

eFront is an open source eLearning platform (also known as a Course Management System (CMS), or Learning Management Systems (LMS), or Virtual Learning Environment (VLE)).eFront is designed to assist with the creation of online learning communities while offering various opportunities for collaboration and interaction through an icon-based user interface. The platform offers tools for content creation, tests building, assignments management,

Dokeos - Open Source eLearning Tool

Dokeos, besides the standard course management features, offers Flash based video-conferencing which enables you to organise live training and meetings remotely.
Powerpoint presentations can be imported and converted in to SCORMcourses.

Claroline

Open source e-learning platform

Claroline is an open source e-learning and e-working platform that allows teachers to create effective online courses and to manage learning and collaborative activities on the web. It has a wide user community & already translated to 35 languages.

World Wind

World Wind allows any user to zoom from satellite altitude into any place on Earth, leveraging high resolution LandSat imagery and SRTM elevation data to experience Earth in visually rich 3D, just as if they were really there. Particular focus was put into the ease of usability so people of all ages can enjoy World Wind.