Racc is a LALR(1) parser generator. It is written in Ruby itself, and generates Ruby program.

Rack provides minimal, modular and adaptable interface for developing
web applications in Ruby. By wrapping HTTP requests and responses in
the simplest way possible, it unifies and distills the API for web
servers, web frameworks, and software in between (the so-called
middleware) into a single method call.

Also see http://rack.rubyforge.org.

HTTP Caching for Rack

Ruby 1.9's require_relative for rubinius and MRI 1.8. Compatibility on 1.9..2

Textile and Markdown are text formats. A very simple text format.
Another stab at making readable text that can be converted to HTML.

No need to use verbose HTML to build your docs, your blogs, your pages.
Textile gives you readable text while you're writing and beautiful
text for your readers. And if you need to break out into HTML, Textile
will allow you to do so. Textile also handles some subtleties of
formatting which will enhance your document's readability:

* Single- and double-quotes around words or phrases are converted to
curly quotations, much easier on the eye. "Observe!"

* Double hyphens are replaced with an em-dash. Observe -- very
nice!

* Single hyphens are replaced with en-dashes. Observe - so cute!

* Triplets of periods become an ellipsis. Observe...

_(TM)== to (TM), ==(R)== to (R), ==(C)_

The package contains rest_doc utility for generating documentation
for a REST API and rest_test utility for testing REST API.

A simplistic script which automates a limited set of rubyforge operations

Authors:
--------
Ara T. Howard

rubyzip is a ruby module for reading and writing zip files

Authors:
--------
Thomas Sondergaard

Mission: Provide a **lightweight, simple and idiomatic API to write
Selenium tests in Ruby**. Focus is also on improving test
feedback -- especially on failures -- by providing
out-of-the-box **state-of-the-art reporting capabilities**.
With screenshots, HTML snapshopts and log captures,
investigating test failures becomes a breeze.

sexp_processor branches from ParseTree bringing all the generic sexp processing tools with it. Sexp, SexpProcessor, Environment, etc... all for your language processing pleasure.