Crear una página web

I want to create a website like: [login to view URL] The site is providing a JS code that you insert into your website. Then you get the social bar in your website You can change the style of this bar with your account on [login to view URL] On this first stage I need: - I don't need design - Users can register and get JS code to insert on their websites - Users can login to my website and change the style of the bar - The bar that they will get will have 4 simple icons Show me the links of previous projects similar to this one Please explain me in general the technologies that you will use