Gazelle (web browser) a predecessor project, "MashupOS", but with "Gazelle" the emphasis was on a more secure browser. By the July 2009 announcement of Google Chrome OS, Gazelle was seen as a possible alternative Microsoft architectural approach compared to Google's direction. That is, rather than the OS being reduced in role to that of a browser, the browser would be strengthened using OS principles. The "Gazelle" project became dormant, and "ServiceOS" arose as a replacement project also related to browser architectures. But by 2015, the SecureOS project was also dormant, after Microsoft decided that its new flagship browser would be Edge. Gazelle (web
Vivaldi (web browser) of the Vivaldi web browser. Its name comes from the Italian composer Antonio Vivaldi, which, according to one of its creators, is an easy name to be remembered and understood worldwide. Vivaldi has a minimalistic user interface with basic icons and fonts, and a color scheme that changes based on the background and design of the web page being visited. The browser also allows users to customize the appearance of UI elements such as background color, overall theme, address bar and tab positioning, and start pages. According to CEO Jon von Tetzchner, Vivaldi's vast, unique customizability is a huge part