We are using School Cloud. It is reasonably priced and extremely simple for the end users. I have never had so much positive feedback from the Teaching staff about a new (to them) technology. We setup 3 test parent's evenings with staff playing the role of parents and tested it worked inside the school network and then outside. As a result we had to make a few firewall tweaks to allow everything to work okay and iron out user errors such as the software picking up the visualiser as a webcam and the teacher not working out why the "parent" could only see their desk. Well worth using the free month trial which is fully featured, there is no pressure from pushy sales staff and their support team are a pleasure to deal with.
