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