A simple kotlin parser turning url encoded html form data into a struct that supports maps, lists and values. Also contains a mapper for mapping those structs to classes using reflection.
A wiki engine written in an afternoon. Supports blogging.
the classic game with a simple monte carlo bot.
a brute force solver for random games of freecell (the card game) written in java in 2016. iirc there was a further optimized version but either i'm imagining it or i've lost it.
An archive collecting information about austrian popular music. Task: programming.