Vivaldi is a new web browser based on Chromium / Blink, especially created for users who "have problems fitting all their open tabs on one screen". The browser is developed by Vivaldi Technologies, whose chief executive and founder is John von Tetzchner, former Opera CEO and co-founder.
Vivaldi is currently available as a technical preview, for Linux (64bit deb and rpm only for now), Windows and Mac and the current build is intended to show the direction of the product, so it's not a complete product.
"It is not perfect, far from it. Some of the key features we integrate are yet to be implemented, optimization needs to be done. But we hope that you get a glimpse of our product and what you can expect from us".
The new web browser, which is aimed at power users, includes tab stacks, Opera-like Speed Dial which supports multiple folders, as well as a note-taking feature which allows including a screenshot of the current page. Furthermore, Vivaldi features a tool called Quick Commands, that can be used to search through settings, history, open tabs, bookmarks and more with a single keyboard shortcut.
Source:
http://www.webupd8.org/2015/01/vivaldi-is-new-chromium-based-web.html
