Choosy - Choosy opens links in different browsers as specified, according to rules, set by the user.
Finicky - A MacOS app for creating rules that decide which browser is opened for every link that would open...
Account Surfer - Quickly switch between accounts and browsers on Windows
Browser Select - Browser Select is a utility to dynamically select the browser you want instead of just having one...
Switchbar - Open links in the right email clients, browsers or profiles
MultiBrowser - Responsive Web Design, Mobile & Cross-Browser Compatibility Testing Software.