An IDE for a number of scripting and markup languages. Newly open-sourced and based upon ActiveState’s well-established IDE and code base.

Markdown is a markup language and tool from John Gruber and Aaron Swartz. John Gruber and Aaron Swartz designed Markdown for optimum readability and writeability, based on common conventions used in email correspondence. Emphasis for example is given by using stars around a word: *word* would yield word.

Camping, like Rails and Waves is a web framework for Ruby.

Waves is a web framework for Ruby designed to move beyond the popular Rails framework.

YARV is a virtual machine for the Ruby programming language. You can build Rite (Ruby with YARV) or YARV as Ruby C Extension. The main Ruby developers have thrown their support behind YARV, which stands for ‘Yet another Ruby Virtual machine”. The goal of YARV is to reduce Ruby execution times, and be included as a functional component in version 2.0 of Ruby.

A libxml binding for ruby that was created during the time period when libxml-ruby lacked a maintainer. Features that differtiate it: signals (whenever changes to a document tree occur) simplified api to add/remove nodes copy/move parts of xml between documents a pull parser in addition to a dom like api easy to use and intuitive Currently lacks: documentation (documented by a bunch of examples) a way to use it as rexml drop in replacement It seems to be very stable

From Google’s website: “Spring-On-Rails is a rapid Java Enterprise Application development Framework; It is a far distance cusin of Ruby-on-Rails. Spring-On-Rails is design to help developer to generate basic skelton of database CRUD type applications. Generated application is based upon SpringFramework, Ibatis and Hibernate for Java in middle tier.”

The "first complete and functional 1.8-semantics compiler"

From the beginners Ruby On Rails "how to" tutorial (even better, there's video also) to complete frameworks and development environments.

LAMR is an emerging acronym for “Linux Apache MySQL Ruby,” and follows the LAMP and SASH naming conventions.