I work as an in-house Moodle developer at a 6th form college, and I can categorically say that if Moodle wasn't open source it wouldn't be nearly as useful as it is. Every institution has different needs, and the ability to completely specialise Moodle is invaluable.
On top of that, the Moodle community model fits in very well with the philosophy of education and sharing knowledge that Moodle was created to support.
I work as an in-house Moodle developer at a 6th form college, and I can categorically say that if Moodle wasn't open source it wouldn't be nearly as useful as it is. Every institution has different needs, and the ability to completely specialise Moodle is invaluable.
On top of that, the Moodle community model fits in very well with the philosophy of education and sharing knowledge that Moodle was created to support.