Hoe is a rake/rubygems helper for project Rakefiles. It helps you manage, maintain, and release your project and includes a dynamic plug-in system allowing for easy extensibility. Hoe ships with plug-ins for all your usual project tasks including rdoc generation, testing, packaging, deployment, a...

ruby-opencv is a wrapper of OpenCV for Ruby. It helps you to write computer vision programs (e.g. detecting faces from pictures) with Ruby.

Kitchenplan is a small tool to fully automate the installation and configuration of an OSX workstation (or server for that matter) using Chef. But while doing so manually is not a trivial undertaking, Kitchenplan has abstracted away all the hard parts.

ruby-opencv is a wrapper of OpenCV for Ruby. It helps you to write computer vision programs (e.g. detecting faces from pictures) with Ruby.

A Ruby library for text classification featuring Naive Bayes, LSI (Latent Semantic Indexing), Logistic Regression, and k-Nearest Neighbors classifiers. Includes TF-IDF vectorization, streaming/incremental training, pluggable persistence backends, thread safety, and a native C extension for fast L...

A general classifier module to allow Bayesian and other types of classifications.

A gem to provide easy switching between different JSON backends, including Oj, Yajl, the JSON gem (with C-extensions), the pure-Ruby JSON gem, and OkJson.

A Rails grid plugin to create grids with sorting, pagination, and filters generated automatically based on column types. The contents of the cell are up for the developer, just like one does when rendering a collection via a simple table. WiceGrid automates implementation of filters, ordering, pa...

Web interface for delayed_job inspired by resque

It wraps the OpenSSL library.

A Ruby implementation of the Patience diff algorithm. Patience Diff creates more readable diffs than other algorithms in some cases, particularly when much of the content has changed between the documents being compared. There's a great explanation and example [here][example]. Patience diff was...

Inline allows you to write foreign code within your ruby code. It automatically determines if the code in question has changed and builds it only when necessary. The extensions are then automatically loaded into the class/module that defines it. You can even write extra builders that will allow ...

Authy plugin to add two factor authentication to Devise. This gem is deprecated, please see the README for details.

Allows you to focus on a few tests with ease without having to use command-line arguments. Good for tools like guard that don't have enough brains to understand test output. Cf. minitest-autotest (an example of a test runner with strong testing logic). Inspired by https://github.com/seattlerb/mi...

OCRA (One-Click Ruby Application) builds Windows executables from Ruby source code. The executable is a self-extracting, self-running executable that contains the Ruby interpreter, your source code and any additionally needed ruby libraries or DLL.

Ever needed to assign roles to a model, say a User, and build conditional behaviour on top of that? Enter RoleModel -- roles have never been easier! Just declare your roles and you are done. Assigned roles will be stored as a bitmask.

ruby-mp3info read low-level informations and manipulate tags on mp3 files.

RubyTree is a Ruby implementation of the generic tree data structure. It provides simple APIs to store named nodes, and to access, modify, and traverse the tree. The data model is node-centric, where nodes in the tree are the primary structural elements. It supports all comm...

Serve is a small Rack-based web server that makes it easy to serve ERB or HAML from any directory. Serve is an ideal tool for building HTML prototypes of Rails applications. Serve can also handle SASS, Textile, and Markdown if the appropriate gems are installed.

Adds Minitest as the default testing library in Rails