使用 Markdown 编写书籍内容，通过 burr 将其转换成 PDF，ePub 和 Mobi 格式电子书。

calendar computations according to the Roman Catholic liturgical calendar as instituted by MP Mysterii Paschalis of Paul VI (1969) and defined in General Norms for the Liturgical Year and the Calendar and other documents of liturgical legislation.

Choco brings the MVC to the client side! It allows you to easily develop maintainable Rich Internet Applications using Javascript.

Chronicle-ETL allows you to extract personal data from a variety of services, transformer it, and load it.

CloudMaker is a tool for launching and configuring EC2 instances. It works as an extension to the Ubuntu CloudInit system. It extends the configuration format with a composition system and options to describe how you want an instance to be launched. The goal of the project is to make building and launching instances simple and repeatable. It accomplishes this by leveraging existing toolchains rather than forcing people to learn a new and complicated system.

Daru (Data Analysis in RUby) is a library for analysis, manipulation and visualization of data. Daru-view is for easy and interactive plotting in web application & IRuby notebook. It can work in frameworks e.g. Rails, Sinatra, Nanoc and hopefully in others too.

Find dead-links (broken links). Dead link (broken link) means a link within a web page that cannot be connected. These links can have a negative impact to SEO and Security. This tool makes it easy to identify and modify.

Dice Bag is a library of rake tasks for configuring web apps in the style of The Twelve-Factor App. It also provides continuous integration tasks that rely on the configuration tasks.

A CLI Tool for managing your dotfiles

Dubious is a web framework written in Mirah.

Generates dummy log data for Fluentd benchmark

Generates dummy log data for Fluentd benchmark

ActiveRecord-ish DynamoDB ORM

Lightning Fast Graphing/Visualization, built on RRDTool

Command-line utility to find source repositories for ruby gems, open common GitHub pages, compare gem versions, and simplify gem update workflow in git.

Backs up a GitHub organization's repositories and all their associated information for archival purposes

A simple way to check your app heart.

Hoof is linux variant of pow. It's based on nss, eventmachine and unicorn

Supports JSON content, custom HTTP headers, and post-processing of extracted content.

IcoMoon is an icon set rendered by css font-face way. This gem integrates IcoMoon with Rails asset pipeline for easy of use.