Audio
iTunes, iPod, MP3, AAC, record 		HTML Tools
xhtml, css, flash, xml, blog, photo album gallery
Business
fax, calendar, invoice, billing, project management 		Internet Utilities
P2P, FTP client, Instant Message, Email, Phone SMS
Developer Tools
Realbasic, AppleScript, API, IDE, SQL, PHP 		Math/Scientific
calculator, unit convert, astronomy, medical, statistics
Drivers
scanner, camera, mouse, printer, video card 		Multimedia
DivX, VCD, DVD, MPEG, QuickTime, WebCam
DTP/Prepress
Quark, InDesign, pdf, postscript, Tex 		Networking/Administrator
Firewall, VPN, Admin Tools, UNIX
Educational
genealogy, grade, teacher, dictionary, spell 		Screensavers
ScreenSavers with passwords, slideshows, movies
Finance
bills, mortgage, stock, loan, tax 		Security
password manage, virus, encryption, surveillance, Shred
Font Tools
font convert, font repair, font manage 		System Utilities
repair, customize, optimize, syncronize, backup
Games
adventure, shooter, rpg, flight, card game 		Utilities
Everything else
Graphics
Photoshop, image convert, iphoto, icon, CAD, 3D 		Word Processing/Text Tools
word processor, text editor, Diarie, NotePad, spell check
 
 
Beta
software that's in a development stage; betas can be for commercial, shareware or freeware 		Freeware
free software you can download and use at no cost
Commercial
Commercial Demo or Upgrade requiring a fee (major release) 		Shareware
low cost software typically $5-$35 you can download and try out
Update
Commercial Update (free minor or bugfix release)