OminOS - A brand new OS written from the ground up by SophSec affiliate and friend Omin0us. Woot. PS. We will pay $20 and a round of drinks to the author of the first OminOS remote 0day (just kidding..).

CMake - A cross-platform, open-source make system. CMake is used to control the software compilation process using simple platform and compiler independent configuration files. CMake generates native makefiles and workspaces that can be used in the compiler environment of your choice. CMake is quite sophisticated: it is possible to support complex environments requiring system configuration, pre-processor generation, code generation, and template instantiation. If you hate autoconf or libtool, then CMake might be right for you.

YAML - YAML ™ (rhymes with "camel") is a straightforward machine parsable data serialization format designed for human readability and interaction with languages such as Perl, PHP, Python, Ruby and even C. If you don't like XML but use .txt files to store data, you should really check out YAML.

jQuery - jQuery is a fast, concise, JavaScript Library that simplifies how you traverse HTML documents, handle events, perform animations, and add Ajax interactions to your web pages. Makes anything related to the DOM a cake walk.

Vtrace - Vtrace is a very useful python debugging framework, with neat functionality like remote debugging. It is written by some leeto dorito type haxors.

Hpricot - Parse all manner of fumbling HTML and XML and use simple expressions to search. The main tool when it comes to web-scraping.

WWW::Mechanize - WWW::Mechanize, a handy web browsing ruby object.

DataMapper - DataMapper is a Object Relational Mapper written in Ruby. Let's you focus on working with the Data, without having to write SQL all day.

Hoe - Hoe is a simple rake/rubygems helper for project Rakefiles. It generates all the usual tasks for projects including rdoc generation, testing, packaging, and deployment. Useful for creating Ruby projects in under 5 minutes.