Brent Sordyl's blog

Sakai is an Open Source collaborative learning environment that contains everything necessary to deliver an effective eLeaning program. The JumpBox packages the rSmart distribution of Sakai which is a refined version of the Open source Sakai project with enhancements like additional modules and an improved user interface. Sakai can be used to deliver an entirely online learning experience or used as a supplement to traditional in-person coursework. Some of the more notable features include:
(Link: Quickly Deliver courses online with the JumpBox for rSmart Sakai)