If you’re not using Sass in your projects you should drop everything, read about it at http://sass-lang.com/ and start using it in your projects immediately. I’ve been using Sails.js a lot lately and enjoying it immensely. Unfortunately while it supports Sass’ cousin, Less, you have to make some configuration changes to get Sass to work.
I’ve been playing with Sails.js a lot lately and was thrilled that it supported my favorite database, Postgresql. Unfortunately the documentation on configuring the adapter left a lot to be desired.