These are RubyMotion templates. Some are provided by the community. Some are provided by RubyMotion proper.
Testing out your template before sending a Pull Request (example):
env RUBYMOTION_TEMPLATES_OVERRIDE=~/projects/rubymotion-templates/motion/project/template/ motion create HelloWorld --template=ios
When you send your PR. Be sure that your commits are in this format (take note of the bracket based tag at the beginning):
[ios] Fixed grammar and spelling mistakes.