aem-front
AEM Front speeds up development in AEM significantly. It combines AEMSync with BrowserSync, and also works together with the AEM Front Extension for Google Chrome so you don't have to manually inject the BrowserSync script into your code base.
grunt-este-watch
Run predefined tasks whenever watched file changes. LiveReload included.
livereloadx
An implementation of the LiveReload 2 server in Node.js