Open Source

MetaRails

MetaRails is a framework that permits the generation of database based applications from a simple data schema in YAML or XML.

Now consists of three plugins: MetaGenerator, MetaQuerier and MetaWebServices.

You can found more information about the project at:

• meta-rails.rubyforge.org

SQL DSL

SQL DSL is a library that creates SQL sentences using ruby code.

This project was created by Matt Deiters. I help him with code upgrades and ideas.

You can found more information about the project at:

• sqldsl.rubyforge.org

Políglota, Ruby Multilingüe

The aim of this project is to create a framework to translate ruby code from English to any other language. Wants to bring near and help non English-speaking developers.

You can found more information about the project at:

• poliglota.rubyforge.org

gga4r, General Genetic Algorithms for Ruby

A implementation of genetic algorithms in Ruby.

Very easy to use:

1. Choose a class to evolve and define the methods: fitness, recombine and mutate.
2. Create a GeneticAlgorithm algorithm object with the initial population.
3. Call the evolve method as many times as you want.

You can found more information about the project at:

• gga4r.rubyforge.org

bn4r, Bayesian Networks for Ruby

bn4r is a library for work with bayesian networks in ruby. Yo can create your own bayesian networks, import and export in diverse formats and infer results using several algorithms.

Its aim is to implement the greatest number of inference algorithms possible, as well as support several codification methods of bayesian networks.

If you have ruby installed, installing bn4r is so easy:

        gem install bn4r
    

You can found more information about the project at:

• bn4r.rubyforge.org
• www.rubyforge.org/projects/bn4r
• bn4r.rubyforge.org/wiki/wiki.pl?HomePage

If you want to collaborate in the project don't hesitate to email me!

festivaltts4r, Festival Text-to-speech for Ruby

The idea of this library is to simplify the development of applications with voice reply. How? adding methods to the String class, what will lead to String objects that talk only using the to_speech method. For example, "hello world".to_speech will make our application say: hello world.

Now it's only tested under Linux. If you want to install and use it in Ubuntu you have to execute:

        sudo apt-get install festival lame
        sudo gem install festivaltts4r
    

You can found more information about the project at:

• festivaltts4r.rubyforge.org