Qt4-QtRuby installer for Microsoft Windows
From MMVLWiki
This is an installer for installing Qt4-QtRuby (including Ruby user interface compiler and resource compiler) under Microsoft Windows. Qt4-QtRuby (developed by Richard Dale and others) is a very useful extension allowing you to use Qt from within the Ruby programming language. The installer requires Qt-4.3.0 Open Source Edition for Microsoft Windows to be installed first. The source code of the installer is currently included in the HornetsEye package. The installer was developed using NSIS and RubyGems. Please contact me if you encounter problems using the installer.
Download
You can download the Qt4-QtRuby installer for Microsoft Windows here: qtruby4installer.exe