What is codepad?
Very simple webpage with a simple textbox, a checkbox for selecting one of several languages and an option to make it private and to run the code or not.
Has a little code sharing and references as well.
Supported languages: C C++ D Haskell Lua OCaml PHP Perl Plain Text Python Ruby Scheme Tcl
Comments and Reviews
Said about codepad as an alternative
Because it has an online compiler and runs code