Serverside I'm either Express JS / MongoDB / Jade / Passport Or I go with WordPress for a website.
I still have a few clients - I always want to have clients so I can maintain real-world advice - but I'm leaning towards fulltime teaching.
Productivity Hacks? Don't commute, invest your time in learning how to get better or faster at everything you do.
Work towards doing what you love and loving what you do.