With Caramelize you can migrate any wiki to git-based Gollum wiki repositories.

allows you easily and reliably query ActiveRecord.

CatTree monitors ActiveRecord objects in development environment

Contain everything your need to create and manage websites

cawcaw RubyGem

Cloud Foundry auto-reconfiguration for Ruby

Cloud Foundry Runtime Library

Simple ActiveRecord plugin for handling merges.

A simple chat

ETL tools for Chicago

Simple Data Warehouse toolkit for ruby

By using this library, you can incorporate some useful functions into Ruby on Rails.

Purge data from mysql innodb tables efficiently with low overhead and impact. Based on the Percona pt-archive utility.

枚举指定字段含义及说明

Coca is a chainable, devise-based scheme for delegation of authentication. It works through a standard JSON API so the packet that you pass down on auth is completely configurable. See coca-rbac for a similarly transparent RBAC implementation.

Keep your code DRY by inferring column validations from table properties! Automagically validate presence, length, numericality, and inclusion of ActiveRecord backed columns.

Lets you do cohort analysis based on two strategies: "big", which discards characteristics for the maximum cohort result, and "strict", which discards characteristics in order until a minimum cohort size is reached.

Add some DSL to your model, then run a single method in your controller, and your model now accepts filtering through the parameters.

Colloquy is an evented framework for building fast and efficient USSD applications in Ruby.

CommaHeaven permits easy exports of Rails models to CSV