Bad news. The server hosting The Ruby Toolbox went bust on the evening of June 7th. While I do have backups, the
original source code is in a very outdated state so I currently don't feel it makes sense to try and get it running again.
For the time being, here is a very stripped down version of the Ruby Toolbox's contents.
Ruby Ghostscript Engine is a document creation and conversion API, support(PDF,PS,GIF,TIF,PNG,JPG...). It uses the GhostScript framework for the format conversion, utilizes EPS templates and is optimized to work with larger documents.