We have a huge collection of scripts that are already pre-installed on your hosting account. Some of these scripts include: B2Evolution, WordPress, phpBB, Joomla, phpWebsite, SMF (over 50 scripts are available!). These scripts are ready to be auto-installed in 1 click!
Login to your cPanel and look for Softaculuos Apps installer. You can search for the script you want and follow the installation steps.
Also, feel free to check the SitePad site builder tool (also available in your cPanel), which offers tools for easy visual site creation. It has hundreds of customizable templates and tools like Contact forms / Blogs / Registration forms integrated and ready for easy use.