LapisLazuli provides cucumber helper functions and scaffolding for easier (web) test automation suite development. A lot of functionality is aimed at dealing better with [Watir](http://watir.com/), such as: - Easier/more reliable find and wait functionality for detecting web page elements. - Easier browser handling - Better error handling - etc.

Various tools for OTU clustering

Less Frameworks is an adaptive CSS grid system, helps to make responsive website. This gem provides Less Framwork for your Rails 3 projects. Learn more about Less framwork at http://lessframework.com/

You can easily create LGTM image from gif animation.

This gem brings in LinkedIn comments to your Orbit workspace

A ruby library to parse linkmap file generated by Xcode. Then ouput result with hash, json or report. Also have a command line tool

..

Wagon is a site generator for the LocomotiveCMS engine

log_analyzer gem is created to get statistics about your views rendering performance.

The CloudFormation Framework

LutaML: data models in textual form

LutaML creating data models in Ruby

Lydown is a language and tool for music notation

Why another static site generator? Machined is for the developers who know and love the asset pipeline of Rails 3.1 and want to develop blazingly fast static websites. It's built from the ground up using Sprockets 2.0.

Yet another mackerel client for Ruby.

CLI used to create Rails monoliths by Rocketship for quickly building SaaS applications.

Markdown memo server

Mango is a dynamic, database-free, and open source website framework that is designed to make life easier for small teams of designers, developers, and content writers.

mapbox-gl-rails provides Mapbox GL JS sources and stylesheets as a Rails engine for use with the asset pipeline.

MapPrint allows to export many map sources and GeoJSON objects to a pdf/png file, along with legend and text elements to create rich maps.