MultiBrowser is described as 'Take control of the many browsers that you may have installed on your Mac.
Can launch links from just about any application.
Uses no resources when idle.
Works with just about any browser.
Highly configurable appearance lets you choose colors, size, and more.
Options for cha' and is a browser selector. There are more than 25 alternatives to MultiBrowser for a variety of platforms, including Mac, Windows, Linux, Android and F-Droid apps. The best MultiBrowser alternative is URLCheck, which is both free and Open Source. Other great apps like MultiBrowser are Hurl - Choose a Browser, LinkSheet, Browser Tamer and Junction.