Not your ordinary unblocker site. Games, chat, a search proxy and apps.
If your school ever restricts this just fork and deploy to GitHub Pages or use the following options:
..Or just use the alt link if you don't want to selfhost.
See those files up there? Slap them at the end of your link and you're good to go.
Example: yinyang.site/YinYang/adanceoffireandice.html