Browsers

PDF Download
Nitro PDF(Free)
Download
Vivaldi
Vivaldi Technologies(Free)
Download
Vivaldi for Mac is a new, feature rich web browser that combines an Opera-like interface with a Chromium open-source platform. Vivaldi for Mac is very similar to the Opera browser in many ways.
Gspace
Getgspace(Trial version)
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Use Gmail for free online storage with Gspace
FireBug
Joehewitt(Free)
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FireBug: Web Debugging Made Easy in Firefox
browserTunes
Markburgess(Free)
Download
Control iTunes from any web browser
Adblock Plus Pop-up Addon
Michael Mateas and Andrew Stern(Free)
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Adblock Plus Pop-up Addon: Extend Adblock Plus to Block Pop-ups
Safari AdBlocker
SweetP Productions(Free)
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Safari AdBlocker Review
Stainless
Mesa Dynamics, LLC(Free)
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Stainless: An Innovative Browser with Parallel Sessions
SafariStand
Hetima(Free)
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Hetima - A Safari Plugin For the Mac
Prism
Mozilla(Free)
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Prism: A distraction-free browser