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Aptana RadRails
Stable release
Operating systemCross-platform
TypeIntegrated development environment
LicenseGNU General Public License v3 or Aptana Public License

RadRails is a Rapid Application Development IDE for the Ruby on Rails framework. The goal of RadRails is to provide Ruby on Rails developers with everything they need to develop, manage, test and deploy their applications. Features include source control, code assist, refactoring, debugging, WEBrick servers, generator wizards, syntax highlighting, data tools, and much more.

The RadRails IDE is built on the Eclipse RCP, and includes the RDT and Subclipse plug-in. The RadRails tools are also available as Eclipse +plug-ins.

At EclipseCon 2006 RadRails won the Community Award for Best Open-Source Eclipse-based tool.


Web features[edit]

  • Free and open source; cross-platform, stand-alone IDE or Eclipse plug-in
  • File- and project-based workflow with integrated FTP/SFTP
  • Real-time, Wiki-based online help; IDE translated into multiple languages
  • Scriptable using JavaScript (“Aptana Monkey”)
  • Backed by full-time developers; nearing a million combined downloads
  • Deep support (including cross-browser tips) for JavaScript, HTML, CSS
  • Syntax highlighting, auto completion, code assist, error reporting, etc.
  • Full support for JavaScript and CSS embedded within HTML; unified outlining
  • Works with any JavaScript, incl. all Ajax libraries
  • JavaScript debugger with live Firebug integration

Ruby on Rails features[edit]

  • Unified, deep support for Ruby, Ruby on Rails, RHTML, JavaScript, HTML and CSS.
  • Syntax highlighting, auto completion, code assist, error reporting, outlining, etc.
  • Ruby code generation: constructors, overrides, templates, accessors
  • Refactoring: local to instance variables, extract methods, inlining, renaming…
  • Fast, integrated debugger
  • Support for Ruby on Rails generators, Rake, plugins, and server management
  • View unit tests and test results
  • Integrated code analysis
  • Embedded database navigator and query console
  • Snippets and wizards
  • Integrated help, including “Go to definition”, RDoc/RI, and code explorer


RadRails was started by Kyle Shank, Marc Baumbach, and Matt Kent in September 2005. During that time, the three developers worked as co-ops from the Rochester Institute of Technology at IBM Rational in Raleigh, NC. Development continued through 2006, including some contributions from Andy Gianfagna. Ryan Lowe joined the team in mid-2006 to deploy and maintain an automated build system for the project. In November 2006, Kyle Shank and Matt Kent began working on an idea for a startup company, which would eventually become Persai. By March 2007, Kyle and Matt were devoting most of their spare time to Persai and had little time left to maintain RadRails. Kyle met with Aptana founder Paul Colton at EclipseCon 2007, and it became clear that handing over the project would be in the best interests of the RadRails community. On March 8, 2007 Aptana took over the project and renamed it to Aptana RadRails. Although RadRails is still an open source project, most work is now done by an Aptana employee: Christopher Williams, the lead developer of the RDT project that RadRails was built upon. RadRails 1.0 was released under an open source license on March 13, 2008 as a plug-in to Aptana Studio, an Eclipse-based IDE for Web and Ajax development that can run either standalone or within Eclipse.

Books about Aptana RadRails[edit]

On May 2008, the book "Aptana RadRails: An IDE for Rails Development", written by Javier Ramírez, was published by Packt Publishing.

This book covers all the features of the Community Edition 1.0.

External links[edit]