Work with regular expressions easily.
Convert LaTeX to (X)HTML, OpenDocument, MathML, DocBook or TEI.
IDE that supports interactive evaluation of expressions
Create various web animations.
Provide anti-piracy electronic software distribution tools.
View patch files with your existing graphical file comparison tools.
A codesigning utility.
Build websites with drag and drop.
Professional color-matching app.
Perform FTP-deployments easily.
Interactive tutorial for learning to program in Ruby.
Manage source code files and track changes over time with RDBMS-based software version control.