Hi Piet
I wanted to join the rockettheme extension club, but I saw that there is not many and I don't have an idea about, so I preferred to ask my professor.
what do you think is it worth it ? if not what do you suggest ?

Best regards

Hi,

Although RcoketTheme makes beautiful and useful extensions, their core business is templates.

Should you want to know what their extensions exactly do, I strongly advise you to use: http://demo.rockettheme.com/extensions/

Should you decide to become a member (which I strongly advise, RocketTheme is a club I am a member of for 4 years now), use this link: http://www.rockettheme.com/joomla?xyz=227

Another extension club that might interest you is YooTools: http://www.yootheme.com/

One thing though, YooTheme extensions have a bad habit of wroking really poor in RocketTheme templates!

And of-course, many many maaaany extension for free at: http://extensions.joomla.org

Feel free to ask me anything about an extension you want to know more about!