Build a webchat

Hello! is there any chance to make a script like this [login to view URL] ? exactly the same one! with the 1/ LOGIN PAGE 2/ CHAT ROOMS 3/ CHAT FEATURES and the style of it. Also you can check this website [login to view URL] it has the same CHAT STYLE I want. OR this one too [login to view URL] I need someone who can import the script of one of these website to do a similar website. Do you think you can do it?