If you want to download and test out RockMelt, it is now in Open Beta. RockMelt has been updated over 15 times since they launched 122 days ago. They have several new features in the social browser such as a YouTube app and Quick Launch. You can download it from RockMelt.com. [RockMelt Blog]

Flock is a social media browser that is facing some competition with a new browser called RockMelt. Flock has intensified their competition with RockMelt by increasing the speed of their browser and enhancing its functionality in version 3.5. Flock 3.5′s sidebar has Facebook, Twitter, and LinkedIn integration and there are link-sharing features built-in.