Opera Web Browser is a free and excellent Internet browser that packs in a few extra features not found in other mainstream browsers like a free VPN, built-in ad blocking and integration with popular instant messaging services. It is a free, but ad-supported web browsing application that's customizable, well-designed, advanced, efficient, reliable and powerful.
Here are some screenshots to illustrate the features and user interface of this application:
Opera Developer
Opera GX
Chromium x64
Safari for Windows
Firefox Portable