Bumpr - Open web and email links in different browsers/email apps
Choosy - Choosy opens links in different browsers as specified, according to rules, set by the user.
MenubarX - MenubarX.app is a powerful Mac menu bar browser that can pin any webpage on your menu bar just like a native App.
Finicky - A MacOS app for creating rules that decide which browser is opened for every link that would open...
Enpose - The simple screenshot bot
Account Surfer - Quickly switch between accounts and browsers on Windows