This website is to distribute computer programs I have participated in: libima: an image codec. Bitio-0.12: a set of bit input and output functions under a BSD license. Includes CRC and sync markers. For other licenses email me. A new image transform and a lossless YIQ color transform that requires 2 or 5 multiplications per pixel. Patent pending. The following are unfinished: svgalib windows: A windowing program which uses svgalib. Joc3d: a 3d engine with binary space partitioning trees, lights and shadows (screenshot). Requires X-Window, libtiff and libjpeg. You can write to me at mcartoaje@gmail.com