Swift, the programming language that creates apps for all of Apple’s hardware, had a pretty happy 2015, according to a report from job site Freelancer.com.

The data comes from 1,429,842 “good” projects — that is, “those which have been filtered for spam, advertising, self promotion, reposts, or that are otherwise unlikely to be filled,” the published report says. And Swift was the big winner, especially when you compare its numbers to 2014’s.

You can see more in the infographic below.

There’s a smartwatch app for almost everything, but very few are useful to the men and women who work in microgravity.

So NASA is asking the pubic to design a smartwatch app for its astronauts to do everything from keeping them organized during science experiments to alerting them to space debris approaching.