I really like the original rgplot (aka 'gnuplot' gem).  It is a great
gem.  Unfortunately, its development has been abanded by its author
(or so it would seem).

Roger Pack put it up on github about a half year ago after consulting
with the mailing groups. (http://www.ruby-forum.com/topic/191589)  I
noticed he has a gem named rdp-gnuplot up on the repos.  How about
making Roger's the official 'gnuplot' gem?  In other words, have Roger
push his gem as 'gnuplot' instead of 'rdp-gnuplot'. Any objections to
this?  This will allow Roger (and the community since Roger is open to
pull requests) the ability to make some improvements to the 'official'
gem.

Of course, this depends on if the original developer has 'claimed' the
gnuplot gem on gemcutter.  If not I move that Roger 'claim' it.  If
people want the original 'gnuplot' they can always get it by version
( gem install  gnuplot -v 2.2 )

Browsing the code, I know some minor improvements have already been
made.

Here are a couple things that could be updated (assuming Roger hasn't
done these yet):

1. Get mouse interactions working using this workaround:
http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/293549

2. The ability to 'unset' settings.
http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/307504