unfortunatly not OS, but really quick: Vivaldi

[michaa7]

In 1994, two programmers started working on a web browser. Our idea was to make a really fast browser, capable of running on limited hardware, keeping in mind that users are individuals with their own requirements and wishes. Opera was born.
...

Now they make Vivaldi, tech preview: https://vivaldi.com/#Download


You'll need to install libappindicator1 libdbusmenu-glib4 libdbusmenu-gtk4 libindicator7
to get vivaldi properly installed.

[belze]

could you please point me to a license of this browser?

[melmarker]

http://en.wikipedia.org/wiki/Vivaldi_%28web_browser%29

its Freeware, not opensource

[der_bud]

Vivaldi since today with 32bit Version available, bookmark bar added and more ...

[michaa7]

Application Review (by Jesse Smith)
Early impressions of the Vivaldi web browser

For the better part of the past twelve years I happily used the Opera web browser as my primary window to the World Wide Web. ...
I was pleased to hear earlier this month that a new web browser is being developed by some of the original developers who created Opera. The new browser is called Vivaldi and the developers claim they will re-implement many of the features which made Opera so appealing to many users.
...
One thing which stands out about Vivaldi is that it appears to be a closed source project.