alternative browsers for OS X and some plugins for Safari

• Safari - the webbrowser made by Apple
  • PithHelmet - adblocking for Safari
  • Safari AdBlock - AdBlock+ for Safari
  • Saft - value adder for Safari
• Mozilla.org - The Mozilla Organization
  • Adblock - adblocking for Mozilla and Firefox
  • Camino - the alternative Browser for Mac OS X, using Cocoa
  • Firefox - a lightweight browser based on mozilla
  • Mozilla - the mozilla browser suite
• Omniweb - a completely different and fast browser for OS X
• Opera - one of the older commercial ones, I do not prefer it

some other web plugins for most browsers

• Adobe - Acrobat Reader, but a similar software (Preview) comes already with OS X
• Flash - the flash player and the plugin. Comes directly with OS X