[SOLVED] How to I look for and uninstall programs though the command line in Fedora?

Hey, I made an account for RescueTime (a service that can help you be productive by showing you what websites you visit, how long you stay on them, and can block distracting websites), but then decided I no longer wanted to use it. So I uninstalled the RescueTime extension in the browsers I use. And I tried to uninstall the desktop and PC RescueTime app, but I'm not sure if I fully everything related to RescueTime off my Fedora Linux PC. So is there anyway to check though the terminal to see if it's still there? And if it's still there, can any of you guys please let me the know the proper command to uninstall an app on Fedora Linux. I'm still new to Linux in general, so I appreciate the help!