Java soccer manager is game with more fun with soccer teams in leagues. Teams can promote and relegate to upper and lower leagues, number of seasons are not limited.
Qaxi's libraries for MetaTrader 4 Indicator/ExpertAdvisor developement.
User mode linux virtual machines management in pure bash 3.x Manages separate hosts and virtual networking on linux host, firewalling planned. This tool aims to be lightweight production environment controler, not a huge virtual network simulator.
Program for manipulating with mind maps
Mind map architect program is good tool for brainstorming for single person just as for team. Mind mapping tools can be usable for todo lists, notes, or work planning.