 RPG engine with a development environment.
    </p>
    <p>
	<a href="http://gaiacrtn.free.fr/practical-ruby/index.html">Practical Ruby</a>
	is an IDE for Ruby on Windows.
    </p>
    <p>
	<a href="http://www.gnuenterprise.org/">GNUe</a>
	is a suite of tools and applications for solving the needs of the enterprise.
    </p>
    <p>
	<a href="http://silvercity.sourceforge.net/">SilverCity</a>
	is a lexing package that can provide lexical analysis for over 20 programming
	and markup languages.
    </p>
    