Two popular tools -Easily Learn to work with Redis,Vagrant
Redis has seen 350% record breaking growth among Enterprises. It is replacing and going to replace most traditional databases,pub-sub systems,Document stores , mainly due to its lightning speed as its a in-memory database.
Vagrant is a well established 7+ years old tool, hugely popular among developers ,mainly due to its easiness, as it provides a completely portable development environment. Projects can be executed in ease using vagrant..
I’m sure that you will love these tools as they will be very helpful in career and in your work environment.
Above every other reasons out there, Redis and Vagrant are truly interesting tools for those who love their software profession.