I was just wondering what are your favorite tools. Pls respond to all of these or just some. What is the name of your favorite software in each category.

Disassembler

Debugger

IDE (Intergrated Development Environment)

AntiVirus

Firewall (Hardware/Software and what's the name)

Linux Distro/BSD

NetworkScanner (*nix/windows) (ie.nmap)

Web Design Software - windows

Web Design Software - *nix

Grapic Editor (Photoshop/Gimp ....etc)

Email Client