- A program for backing up my Master of Orion Save Files - A program for finding the best planet in Master of Orion - A program for calculating my walking pace from time and milage - Many simulations for various games - Several Markov Decision Tree solvers (fairly simple dynamic programming) - Many game strategy solvers - Programs that process my life documentation notes - miles of jogging/walking per month, energy level, wake up time, productivity - Many programs for testing mathematical theories or other math research for fun - Physics or Astro-physics simulations - Investment simulations - CPU Benchmarking programs - Programs for drawing graphics - spirals, mathematical objects, ... - Lots of programs for Project Euler or LeetCode - just for fun. (I probably write around 100 small programs a year for myself, mostly for fun.)