A utility for executing commands in parallel on multiple machines, such as deploying applications to a cluster of boxes.

Haml is a markup language that’s used to cleanly and simply describe the XHTML of any web document without the use of inline code. Haml functions as a replacement for inline page templating systems such as PHP, ASP, and ERB, the templating language used in most Ruby on Rails applications. However, Haml avoids the need for explicitly coding XHTML into the template, because it itself is a description of the XHTML, with some code to generate dynamic content....

Compass is a CSS Meta-Framework that provides ports of the best of breed CSS frameworks to Sass and ready to use in your ruby-based web application or stand-alone via a simple command-line interface.

Calligra Suite is a free, integrated graphic art, work & management applications suite, made with Qt & KDE libraries, running on Linux Desktops, Windows, OS X and mobile phones.

It includes:
Words – for word processing
Sheets – for spreadsheeting...

JRuby is an 100% pure-Java implementation of the Ruby programming language.

JRuby is the effort to recreate the Ruby interpreter in Java. JRuby is tightly integrated with Java to allow both to script any Java class and to embed the interpreter into any Java application....

"Official" TextMate Bundles,

An interface to the ImageMagick and GraphicsMagick image processing libraries.,

Ruby on Rails is a full-stack MVC framework for database-backed web applications that's optimized for programmer happiness and sustainable productivity. It lets you write beautiful code by favoring convention over configuration.

From the Ajax in the view, to the request and response in the controller, to the domain model wrapping the database, Rails gives you a pure-Ruby development environment. To go live, all you need to add is a database and a web server....

ImageMagick® is a software suite to create, edit, and compose bitmap images. It can read, convert and write images in a variety of formats (over 100) including DPX, EXR, GIF, JPEG, JPEG-2000, PDF, PhotoCD, PNG, Postscript, SVG, and TIFF. Use ImageMagick to translate, flip, mirror, rotate, scale, shear and transform images, adjust image colors, apply various special effects, or draw text, lines, polygons, ellipses and Bézier curves....

Ruby is the interpreted scripting language for quick and easy object-oriented programming. It has many features to process text files and to do system management tasks (as in Perl). It is simple, straight-forward, extensible, and portable.

The Ruby logo is copyright © 2006, Yukihiro Matsumoto. It is released under the terms of the Creative Commons Attribution-ShareAlike 2.5 License....