The experts agree: Arachno Ruby's user interface is beautiful! Click on any of screenshots below to see for yourself.
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The editor is the working horse of an IDE and Arachno Ruby's editor is powerful. It takes concepts from Emacs, VI, Delphi's Code Rush extensions and combines this into an easy to use and well integrated interface.
The integrated multiprocess / multithreading aware debugger gives you easy access to all variables. You can precisely define the breakpoints where your program should stop.
The text search and replace functionality is one of the best ever implemented in an IDE. You can immediately see the search results in multiple ways. Many search options allow you to restrict the search space.
Arachno Ruby has an integrated diff and backup facility. It goes far beyond the simple creation of *.bak files. It is really integrated into the IDE and easy to access.
Arachno comes with an integrated web development environment, which contains the apache server, a http proxy and a frontend for very easy configuration. With this you can start to develop and debug CGI applications within a minute.