To obtain a multi-site license you must negotiate a special offer with italinux, the developer of add-on My Skills.
Click below to send a private message and begin the process. You may need to sign in to community.concretecms.com before you can message this user.Send Message
With this add-on you can add / show your skills onto your website.
It provides a Pie Charts for you to show your different skills achievements with levels on an basic CSS animation (on / off)
The number of skills you can put there is unlimited.