Lost in data, coming from various sources? Running whois, detecting IPs, touching systems by tools and hands, looking through search engines for nicknames, people, contacts, et cetera?
How to organize all this data, build links between various pieces of information? The process named "data mining" as Wikipedia says: "the nontrivial extraction of implicit, previously unknown, and potentially useful information from data".
Let me introduce you tool (currently in beta version, but with a very good potential), having ability to run under all your lovely OSes (since it's written in Java): Paterva's Evolution.
Check it up for free and give it a try: http://www.paterva.com/web/Evolution/