Mobile Apps


Colorado - Color Puzzle

A challenging board game for young and old based on additive color mixing with 20 levels of different severities.

Colorado on the App Store Colorado on the Play Store


Predicts sprint times for several running distances between 60 and 400 meters as well as intensity levels based on an athlete's personal bests.

Sprintulator on the App Store



A simple Java command line tool to place images in a PDF file. Supports JPG and PNG images. Number of rows and columns of images per page can be configured. Requires Java Runtime Environment 8 or higher. See README.txt in downloadable ZIP file for detailed usage instructions.

Licensed under the Apache License, Version 2.0.

Download - v1.0.0