isoHunt Toolbar provides access to searches, news and torrents feeds, for isoHunt, Torrentbox, Podtropolis and the Web. isoHunt Toolbar is custom-made, extensible and malware-free.
Columbus for Mac is a cool, intelligent web-browser with diversified features for diversified needs.
Columbus is a dedicated web-browser that covers various needs - from web-searching and torrent downloading, to file-management and customization. It's fast, simple, and secure. It supports sites like The Pirate Bay, IsoHunt, BTJunkie, Torrentz, etc.