>Moodle – Open-source learning platform
A free, open-source PHP web application for producing modular internet-based courses that support a modern social constructionist pedagogy.
>Osclass
Osclass is an open source project that allows you to easily create a classifieds website.
Get your own classified website with Osclass for free. Build your own Osclass installation and start advertising real estate, jobs or whatever you want- in minutes!