This library is for automating the resolution of DNS records, allowing you to hit arbitrary name servers, and your own local DNS. If you have to migrate a boatload of DNS, this library will allow you to verify your migration has completed successfully and nothing has been left behind

Middleman is a static site generator based on Sinatra. Providing dozens of templating languages (Haml, Sass, Compass, Slim, CoffeeScript, and more). Makes minification, compression, cache busting, Yaml data (and more) an easy part of your development cycle.

hardware inventory software on RoR

Small daemon framework for ruby, with logging, error handler, scheduling and much more.

easy control of apps with many components. can export to inittab or upstart

Stream audio to icecast servers from ruby

themoviedb gem

Option gathering made easy

Guard is a command line tool to easily handle events on files modifications (FSEvent / Inotify / Polling support).

the best damn presentation software a developer could ever love

eggs is a tool for small farms to help manage their CSA (Community Supported Agriculture) programs

OmniAuth is a flexible authentication system utilizing Rack middleware.

Backup is a RubyGem (for UNIX-like operating systems: Linux, Mac OSX) that allows you to configure and perform backups in a simple manner using an elegant Ruby DSL. It supports various databases (MySQL, PostgreSQL, MongoDB and Redis), it supports various storage locations (Amazon S3, Rackspace Cloud Files, Dropbox, any remote server through FTP, SFTP, SCP and RSync), it provide Syncers (RSync, S3) for efficient backups, it can archive files and directories, it can cycle backups, it can do incremental backups, it can compress backups, it can encrypt backups (OpenSSL or GPG), it can notify you about successful and/or failed backups (Email or Twitter). It is very extensible and easy to add new functionality to. It's easy to use.

stackoverflow-like app written in ruby, mongomapper and mongodb

home_run is an implementation of ruby’s Date/DateTime classes in C, with much better performance (20-200x) than the version in the standard library, while being almost completely compatible.

gem install juicer

Fiber-based, highly concurrent MQ processor for Ruby

HTML5 Web Socket implementation powered by Flash

Cinch: The IRC Bot Building Framework

Test-driven sysadmin

asynchronous, master-master replication of relational databases

Ruby bridge to CUPS API

Ruby interface to Prowl, http://prowl.weks.net/ (iphone notification api)

Docsplit is a command-line utility and Ruby library for splitting apart documents into their component parts: searchable UTF-8 plain text, page images or thumbnails in any format, PDFs, single pages, and document metadata (title, author, number of pages...)

Ruby parser for Apache log files based on regular expressions

A gem that allows you to create, list, and modify local hostnames with ease in linux and OS (more to come)

Delorean lets you travel in time with Ruby by mocking Time.now

irccat is like `cat`, but here, the STDOUT is an IRC channel.

the tiniest blogging-engine in Oz — git & heroku friendly. rake based

Sinatra based cms. Content is written in Markdown and stored in text files.

There’s no database or admin interface - just templates for the HTML, YML files for the content, and the file system defines the hierarchy.

YAML based micro-chat in Sinatra framework for Ruby. Stores messages in yml file.

AtomPub server implemented using Sinatra and CouchDB

Utility gem for fetching movie details. Scrapes metacritic, imdb, rotten tomatoes etc

A static site generator utilizing Haml, Sass and providing YUI compression and cache busting

Murder is a method of using Bittorrent to distribute files to a large amount

sinatra app for presentations

hosted application error service

A simple database agnostic import/export app to transfer data to/from a remote database.

Provides clean ruby syntax for defining messy cron jobs and running them Whenever.

Monk is a glue framework for web development in Ruby. It’s truly modular by relying on the best tool for each job. It’s also pretty fast thanks to Rack and Sinatra.

AutomateIt is an open source tool for automating the setup and maintenance of servers, applications and their dependencies.

Twitter-like project collaboration tool

Wiki with git backend

A quick & dirty git-powered Sinatra wiki

application deployment automation

library for automating web browsers in testing

lightweight console problem tracker

Simply put, Capistrano is a tool for automating tasks on one or more remote servers. It executes commands in parallel on all targeted machines, and provides a mechanism for rolling back changes across multiple machines.

Jangle (Just another generic library environment) is an experiment with middleware for library applications. If you build, use, manage or just want simple access to a library system, Jangle could be for you.

A set of filters to provide typographical hooks to Rails views. It's basically a Ruby port of the Typogrify template filters for Django.

camping/ruby wiki