Ruby Distributions for Windows 95/98/NT/2000 - Binaries and Dynamic Link Libraries (DLLs) of Ruby and Ruby-extensions. many downloads. - http://www.ntecs.de/old-hp/s-direktnet/rb_prgs/
Ruby for Windows Users - Includes easy starter kit for Windows users. Downloads: gzip, tar. - http://www.sugihara.com/ruby/
Ruby Win32 Extension Project - Win32 extension library, much of Perl Win32 library in Ruby; Templating System, turn text files with Ruby code into strings where code replaced by evaluation results; Task Distributor, use dRuby to assign tasks to varied clients. Downloads. [Open Source] - http://www.aracnet.com/~ptkwt/