Here's a list of my regulars:
- 7-Zip - unRar, unzip, etc
- Clam - Anti-virus
- Cryptainer - file encrypter
- FileZilla - FTP
- Firefox with a few addons - browser
- FontMagic - graphics from fonts
- FontViewer - the name says it all
- FSCapture - Full Screen Capture
- Gaim - Multi-purpose chat program
- GIMP - Image manipulator
- Glass2k - make your windows transparent
- Inkscape - A vector drawing program
- Locknote - encrypt text files
- Notetab Lite - text file editor with a huge number of features
- NVU - web design
- OpenOffice - document editing to the extreme
- Scribus - desktop publishing
- WackGet - download assistant
- Restoration - file recovery - works on memory cards too
- Skype - if you don't know this one, you should download Skype
today - TrueCrypt - another encrypter
- UltraShredder - file erasing to NSA standards
- uTorrent - P2P file downloader
- VirtualDub - video capture
- web_downldr - Web Downloader
- XAMPP - web server
- XMPlay - Multimedia player
- X-MulePlus - another P2P program
- XnView - image viewer
- xplorer2_lite - file manager