Xerte Online Toolkit - strange name, great software

Xerte is a free open source product for creating interactive learning materials. There are a couple of variations here. Xerte which is a desktop application and although immensely powerful and flexible it does require a degree of technical expertise to use. Still if you have some experience of simple scripting it shouldn't pose too much of a problem. 

The alternative is the on-line toolkit which can be installed on a web server and provides simple point and click functionality with a wide variety of different interactive pages. I promise that once set up this bit of software is an absolute joy to use.

One of the BIG pluses of this approach is that the learning materials are stored and edited on-line. This means that you don't have the hassle you have having to edit and re-upload powerpoint presentation. The other advantage is that the system has accessibility built in.

You can view an example I have created embedded below (it provides the code to do this!):

You can see a showcase example from Xerte here

Xerte Toolkits home page is here