Yes, it is called WordPress. To install WordPress on your server, navigate to cPanel's Site Software interface (Home >> Software/Services >> Site Software) and select WordPress.
There are also several optional content management systems which your web host can install with WHM's Tweak Settings – cPAddons Site Software interface (Home >> cPanel >> Install cPAddons Site Software). Your web host must enable this option for you to access these content management systems.
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