These programs require a "chessboard-program" (like xboard) to work with.
They are listed in reversed order of creation.
CaffeinatedPawn -  written in Java, uses ChessLib
Micah -  written in C++, uses libchess
Feeks -  written in Python, uses (python-)chess
Embla -  written in C++, based on QueenBee
DeepBrutePos -  written in Java (regular alpha/beta search)
POS -  written in Java: not brute force, rules based instead
cpp1 -  my first chess-program in c++
bullucks -  first successfull (+/-) attempt for writing a chess program