CommunityEngine is a free, open-source social network platform for Ruby on Rails applications. Drop it into your new or existing application, and you’ll instantly have all the features of a basic community site.

Extract the dominant colors from an image.

in the spirit of pygments.rb and MiniMagick, youtube-dl.rb is a command line wrapper for the python script youtube-dl

Programmable Ruby interface for FFMPEG/Libav

A Rails CMS that can be embedded within your own site.

Desi (Developper Elasticsearch Installer) is very simple tool to quickly set up an Elastic Search local install for development purposes.

A gem to assess your performance on the unixoid challenge

Anvil is a tool for building tools.

Take the edge off when doing (command) lines.

CryptoPro ruby-wrapper for linux

Parse and install FIAS database

An image resizing gem that generates smaller versions of requested images. Calls through to VIPS on the command line to perform processing, and automatically handles cropping and scaling the requested image, taking a point of interest into account if requested.

jaxb2ruby generates Java XML mappings via xjc, reads the resulting annotations, and passes the extracted info to an ERB template. This allows one to automatically map an XML schema to pure Ruby classes (i.e. classes that don't require JRuby) using the mapping framework of their choice. Several templates are included: ROXML, HappyMapper and generic Ruby class (PORO).

Uses KMeans clustering and the L*A*B* colorspace to extract "approximate human vision" dominant colors from an image. Optionally, use Euclidean Distance to map those dominant colors into preferred "color bins" for a search index facet-by-color solution.

A thin wrapper to make it quick and easy to use ClamAV (daemonised or not) within Ruby

Manage your Rails applications: different Ruby versions and different application servers.

Resource controller of OMF, a generic framework for controlling and managing networking testbeds.

Ruby wrapper for the awesome pdf2htmlex

Easy Chef Solo / Knife operation with Amoeba Deploy Tools.

Abstract Ruby Syntax Tree (ARST) is a high-level language syntax denoting the object domain of a Ruby project.