My vote goes toward Node.js. My reasoning for this is because of the versatility of JavaScript across the stack (both front-end and back-end) - you only need t

My vote goes toward Node.js. My reasoning for this is because of the versatility of JavaScript across the stack (both front-end and back-end) - you only need to learn one language! As per database, call me old-fashioned, but I'm still with the MySQL camp. NoSQL databases like MongoDB have their uses, but MySQL is king for me - for now, anyway. :P