Softaculous

Softaculous is an auto-installer service which allows users to download and install software which will assist you in creating an amazing website (such as a CMS, Forum, Blog). By using the Softaculous button in your cPanel, you can select from a large range of softwares available.

Softaculous is extremely similar to Fantastico, possibly even better.

You can also trial the service at https://softaculous.com where you can take a look at the description, reviews, support site, and a live demonstration.