Chromium (web browser) interface because Google wanted it to "feel lightweight (cognitively and physically) and fast". Chromium is the name given to the open-source project and the browser source code released and maintained by the Chromium Project, which is headed by Google developers, with input from community developers. It is possible to download the source code and build it manually on many platforms. There are third-party efforts to separate Chromium and Google for privacy reasons. In comparison to Chromium, Google Chrome: The Google-authored portion of Chromium is released under the BSD license, with other parts being subject to a variety of different open-source
Vivaldi (web browser) browser has 1 million users as of January 2017. Vivaldi began as a virtual community website that replaced My Opera, which was shut down by Opera Software in March 2014. Jon Stephenson von Tetzchner was angered by this decision because he believed that this community helped make the Opera web browser what it was. Tetzchner then launched the Vivaldi Community—a virtual community focused on providing registered users with a discussion forum, blogging service, and numerous other practical web services—to make up for My Opera's closure. Later, on January 27, 2015, Vivaldi Technologies launched—with the community in mind—the first technical preview