Gammaplex

Gammaplex is an esoteric programming language designed by Lode Vandevenne. It is similar to Befunge in some respects; what makes it especially remarkable is the support for mouse input and graphical output.

Hue coloration Mandelbrot renderer
@  200)u150)l1a0#0}>1a{"}4#0XG  v Mandelbrot by       ^   v?,y(]0  < Lode Vandevenne         >1a{s"sN}v v0.1                ^    E?,h(]1R< 0](y2:-1.5*0.5y*:0.5-30])       \ 1](h2:-0.5h*:31])               \ 32]0)u0)u0)u0)u0)               \ >36](")34](32])35](33])32](w*33](\ w*-30](+34])2#32](*33](*31](+35])\ 34](w*35](w*+4,?v36](16,?v7#0G   \            G0#11<        >12#0G  \ >255#255#36](16*H3a}PXg            >128#128#128#3a}PXg

Simple quine
Using the q command(By poiuy_qwert): 25)0(q0#19(?GDDXrRE(')0#3G

XOR Texture
3a>(u(xww}PRd(n,?v(")        v    By poiuy_qwert>0)u(n,?E(")dv   ^                           <

Plasma Effect
3a>(128-w*u(128-w*+V1XT128*128+ww}PRd(n,?v(")        v    By poiuy_qwert                        >0)u(n,?E(")dv   ^                                                   <

Digital Root Calculator
\@X"Enter Number: "XXSXrRXIcR \sw?;\s48-w9,?\+       ;/1wG \10s%48+49#/ \w1a}48-iRED poiuy_qwert

External resources

 * Gammaplex homepage at GameDev.net
 * Gammaplex at the Esoteric File Archive, including local copy of the homepage