devsnek/esvu

esvu is a tool that allows users to easily install, update, and manage multiple ECMAScript engines on their system. It is designed for developers who need to test or run JavaScript code across different implementations of the ECMAScript standard. With esvu, users can install a variety of engines, including Boa, engine262, GraalJS, Hermes, LibJS, JavaScriptCore, QuickJS, SpiderMonkey, V8, and XS, and switch between them as needed.