The following list is of tools, software and other things that I use regualarly:-

The G.I.M.P, Adobe Photoshop/Flash/Illustrator CS3(Beta tested CS4), Inkscape

Kompozer, Bluefish, Notepad, Kate, Adobe Dreamweaver CS3(Beta Tested CS4)

MS Visual Studio(Web developer edition 2008), Blender, Amaya, Coda, OpenCMS

Plasq Comic Life, MS Office(Word, Excel, Powerpoint, Access), OpenOffice

MicroSoft Windows 95, 2000, XP, Vista, Server 2003

Mac Os X Tiger, Linux(Ubuntu, Gentoo, Suse, Fedora Core, Arch, E-Live)