Nestopia UE
The ultimate cataloguer
Genealogy software
Generates custom astrolabe EPS files
Bot for id Software's Wolfenstein 3D
DIY fertilizers calculator for planted acquariums
Simulates soccer leagues and other competitions.
Simple application for downloading pictures from Zerochan.net
Graphics generator for pie diagram matrix from spreadsheets
Allows painters to experiment with mixing paints (virtually).
Print guitar chord diagrams
Policy Debate timer.
Wine cellar management software.
Electronic system for the popular brain games like Jeopardy
Converts *.tmd5 to *.cp
Download manga or extract links from popular online manga readers