User:Madk

Implemented

 * M-code
 * Grin
 * Tri
 * Cardinal
 * Fit
 * Staq
 * PoGo
 * d1ffe7e45e
 * Surface

Unimplemented

 * Gerbil
 * Recurl
 * Dirty

Other pages

 * Collatz sequence
 * Factorial

Languages I've implemented (but did not invent)

 * Minimal
 * Vrejvax
 * BrainCursion
 * Filth
 * Brainfuck
 * BF-PDA