Epiphany

Epiphany
is the web browser for the GNOME desktop. Its goal is to be simple and easy to use. Epiphany ties together many GNOME components in order to let you focus on the Web content, instead of the browser application. As part of the GNOME project, Epiphany is Free Software.
Powered by the Gecko engine, Epiphany displays webpages with the same speed and accuracy as Mozilla Firefox. In addition, it provides an elegant, responsive and uncomplicated user interface that fits in perfectly with GNOME (…)

Ubuntu reposes

AddingRepositoriesHowto, LocalAptGetRepositories – Ubuntu Wiki (sometimes you need not only one package, but you have to provide a dependency like a library or whatever. When those dependencies are not in the official repositories, the only way to fulfill those dependencies is to put your package inside the repository.), AddingMultimediaRepositories – Ubuntu Wiki, How to Use Ubuntu Backports Correctly, BreakMyUbuntu (modeled onBreakMyGentoo) & PackageManagementHowto.
be careful, the repositories listed at apt-get.org are at the absolute bottom of the support ladder, and can include illegal or even malicious packages, and sometimes tend to fail even in their native Debian environment. [x]