The Online Compiler has been discontinued. Similar sites and apps include Replit, which has a free version. Other options are jsFiddle, Ideone, Firefox Developer Tools and PythonAnywhere. You can choose from more than 10 Code Editors like The Online Compiler for Android, iPhone, Mac, Windows and iPad.
CodeBunk provides a Realtime Collaborative Editor with Compile/Run. CodeBunk is an Online Compiler/Interpreter for PHP, Python, Ruby, Perl, Lua, Javascript, C, C++. CodeBunk also has Peer-to-Peer Video/Audio chat facility.
HTCSJS is an online HTML, CSS and JavaScript coding tool. It functions on mobile (unlike JSFiddle), and allows any* external resources. It also allows pasting on iOS, unlike many others. http://shhnowisnottheti.me/demo/
*varies b/c it uses data URLs
