ownCoud is a free cloud solution for your hosting. Your data are safe on the chilly.domains high-performance servers. Another advantage is that the data is stored on your hosting package and only you (or other created users) have access to it.
Moodle - learning platform
Moodle is a free OpenSource learning platform written in PHP. It can be easily installed using the chilly.domains Hosting Control Panel in a few minutes on your hosting package like many other software packages.