All of the modern languages are pretty capable, and learning any one of them will make it easier to learn any other. I'd suggest looking around and figuring ou

All of the modern languages are pretty capable, and learning any one of them will make it easier to learn any other. I'd suggest looking around and figuring out what people in your area are using, then picking whichever one has the most active user group. Being connected to real people in that language's community is a great way to stay motivated and accelerate your learning.