Minesweeper solver [2019]
Automatically solves a minesweeper game field. Alternative link

FlexiChess [2018]
Play chess with flexible rules. Here you can build your own combinations of rules on the top of basic chess rules and play using them.

OptimAutoCor [2015]
These programs are used to find best permutations of natural numbers series, which have minimal maximum of autocorrelation function.