Ruby
Used by 57 peopleruby-lang.org ↗

“I've loved the Ruby programming language ever since I discovered it in 2003.”
André Arko Interview, Web developer · via Uses This 
“I wish I got the opportunity to write more Ruby code.”
Rupert Parry Interview, Creative technologist, musician · via Uses This 
“For non-mobile development I usually write things in Ruby.”
joshua stein Interview, Developer (Pushover, Lobsters) · via Uses This 
“If I can't write it in R, then I use Ruby, which is also beautiful.”
Lincoln Mullen Interview, Historian, teacher · via Uses This 
“I tend to build things with Ruby, and I'm pretty in love with that language even after all these years.”
Zach Holman Interview, Web developer (GitHub) · via Uses This 
“My current zsh theme is "crunch" which surfaces the status of the git repo I may be in, the Ruby version I'm working with, and the current timestamp inside my shell prompt.”
Fred Benenson Interview, Data researcher (Kickstarter) · via Uses This 

“(I'm even on their testimonials page.) At Twitter I use it for all of my Scala and Ruby projects; I wrote a language plugin for Scala that works really well for my purposes.”
Dana Contreras Interview, Systems engineer (Twitter), pilot · via Uses This 
“Ruby is my language of choice.”
Sadayuki Furuhashi Interview, Hacker (MessagePack, Fluentd) · via Uses This 
“Ruby is my primary language, and I use it for everything from websites (in Rails) to tiny command-line toys and utilities.”
Tom Armitage Interview, Game designer, technologist (Hide and Seek) · via Uses This 
“In hands-on-work I reach for Ruby.”
Anselm Hook Interview, MakerLab hacker, CTO of Meedan · via Uses This 
“I write Scala and Ruby code in TextMate, run tests and such in Terminal, and answer hell of email with Gmail.”
Alex Payne Interview, API developer (Twitter) · via Uses This