GS2 is a gyrokinetic flux tube initial value turbulence code which can be used for fusion or astrophysical plasmas. CodeRunner is a framework for the automated running and analysis of large simulations. This module allows GS2 (and its sister code AstroGK) to harness the power of the CodeRunner fr...

Handshake is an informal AOP and design-by-contract system written in pure Ruby. It's intended to allow Ruby developers to apply simple, clear constraints to their methods and classes.

A simple way to grab recent activity on a given model grouped by hour, day, week or month (time series). Supports "padding" for intervals without activity.

This gem adds a helper and generator to facilitate the use of Head JS in your Rails 3 projects the same way you would normally add javascript tags using Rails default helpers.

Simple Heatmap generator in Ruby. (Requires ImageMagick)

A gem to help improve logging. Focused on request tracing and cross app tracing.

jekyll plugin that makes available the first image of a post in the template

Create an eBook (epub) of your Jekyll blog

Maestrano is the next generation marketplace for SME applications. See https://sme.maestrano.com for details.

Metior is a source code history analyzer that provides various statistics about a source code repository and its change over time.

Wrapper for Yandex.Metrika API

Port of the old, venerable ActsAsTree with a bit of a twist

Money datatype for Mongoid. Inspired by Ruby Money. Makes handling money simple. Stores the value in the db as cents. Currently handles USD.

MonkeySupport monkeypatches some of the performance-sink parts of rails with speedy C extensions.

A small and simple efficient extension to Monologue that replace the default WYSIWYG editor with a Markdown editor.

A tail(1)-like utility for nginx log files. It supports parsing, filtering and formatting individual log lines.

Merge multiple PDFs in to one using iText's PdfCopyFile.

Easy denormalization for your ActiveRecord models

A plugin/gem that provides access to the Prowl API (http://prowlapp.com). Works with Rails 2 or 3 as well as any other Ruby web frameworks or in your own scripts.

A Ruby wrapper around the DPS-hosted PxPay service