Some people work crossword puzzles, even hard ones, for fun.
Me, I write software. Generally for Windows in C# within the Microsoft .NET Framework. But I've been known to dabble in Perl, Python, Bourne shell scripts, Arduino C and, Finagle save me, Visual Basic for Applications.
This site contains different things I've written which I think may be of use or interest to others. Unless noted otherwise, it's all available under one flavor or another of the GNU General Public License.
You can access the available packages by clicking a tab in the main menu (e.g., Apps).