If you can help or wish to become one of the maintainers - just start helping.
You can find more RVM related projects at
RVM Github organization.
∞Testing with RVM
RVM allows you to run tests across multiple ruby versions:
~/projects/ruby/coulda [git:master] $ rvm 2.0.0,2.1.1 do rake test
Visit sets do for more information on invoking rvm do
.