libdmtx is a software library that enables programs to read and write Data Matrix 2D barcodes. It runs natively on several platforms, and can be accessed by multiple languages. The package also provides fully featured command line utilities.

Facter is a cross-platform library for retrieving simple operating system facts, like operating system, linux distribution, or MAC address.

CruiseControl.rb is a continuous integration tool. Its basic purpose in life is to alert members of a software project when one of them checks something into source control that breaks the build.

CC.rb is easy to install, pleasant to use and simple to hack. It's written in Ruby....

Ingres Database is the open source database management system that can reduce IT costs and time to value while providing the strength and features expected from an enterprise class database. Ingres Database is a leader in supporting business critical applications and helping manage the most demanding enterprise applications of Fortune 500 companies. Focused on reliability, security, scalability, and ease of use, Ingres contains features demanded by the enterprise while providing the flexibility of open source. Core Ingres technology forms the foundation, not only of Ingres Database, but numerous other industry-leading RDBMS systems a...

Focus on what your code can do; let your editor sweat the details.

Komodo Edit offers sophisticated support for all major scripting languages, including in-depth autocomplete and calltips, multi-language file support, syntax coloring and syntax checking, Vi emulation, and Emacs key bindings. ...

Thin is a Ruby web server that glues together 3 of the best Ruby libraries in web history:

• the Mongrel parser, the root of Mongrel speed and security
• Event Machine, a network I/O library with extremely high scalability, performance and stability
• Rack, a minimal interface between webservers and Ruby frameworks...

rcov is a code coverage tool for Ruby. It is commonly used for viewing overall test coverage of target code. It features:
- fast execution: 20-300 times faster than previous tools
- multiple analysis modes: standard, bogo-profile, "intentional testing", dependency analysis......

RedCloth is a module for using Textile in Ruby. Textile is a simple text format that can be converted to html, eliminating the need to use html directly to create documents, blogs, or web pages. Textile gives you readable text while you’re writing and beautiful text for your readers....

WeeChat (Wee Enhanced Environment for Chat) is a fast and light chat client for many operating systems.
Everything can be done with a keyboard, it is customizable and extensible with scripts.
It is compliant with RFCs 1459, 2810, 2811, 2812, 2813.

Vagrant is a free and open source project. The vision of the project is to create a tool to transparently manage all the complex parts of modern development within a virtual environment without affecting the everyday workflow of the developer too much.

Vagrant was started on January 21, 2010 by Mitchell Hashimoto and John Bender. Version 0.1.0 was released on March 7, 2010....