Block all annoying ads online: also YouTube ads, pop-ups, banners, Facebook ads.
Prevent many plug-ins from launching automatically.
Prevent Flash from launching automatically.
Sync bookmarks across Safari, Google Chrome and Firefox for organized bookmarks on all of your devices.
Assign custom keyboard shortcuts for browser tabs.
Edit the page you're reading at this moment to your taste.
Access Facebook without a web browser.
View Flash content in your Web browser.
Find software updates on VersionTracker site.
Track your time on the Internet.
Safari theme editor