Moodle is a popular, free (gpl) program only available for Windows, being part of the category Science & education software and has been created by Moodle.
More about Moodle
Moodle is a software that will require less space than many programs in the section Science & education software. It's a software very heavily used in countries such as Kuwait, Indonesia, and India.
It's available for users with the operating system Windows 98 and former versions, and you can download it in many languages like English, Spanish, and German. The current version of the program is 2.2.1+ and its last update happened on 9/1/2012.
Since we added this software to our catalog in 2011, it has already reached 68,378 installations, and last week it had 87 downloads.