HelloJS is great. I've used it in my last project. It just works. It's well tested, and well documented. There's very little option twiddling required. It just

HelloJS is great. I've used it in my last project. It just works. It's well tested, and well documented. There's very little option twiddling required. It just worked seemlessly when I was trying to setup Twitter, Google, LinkedIn and Facebook OAuth logins.