Capistrano is a utility and framework for executing commands in parallel on multiple remote machines, via SSH.

Deploy web apps in containers to servers running Docker with zero downtime.

Blazing fast application deployment tool.

A tool to install useful git hooks on your remote repository to enable push-based, Heroku-like deployment on your host.

The rubber plugin enables relatively complex multi-instance deployments of RubyOnRails applications to Amazon's Elastic Compute Cloud (EC2). Like capistrano, rubber is role based, so you can define a set of configuration files for a role and then assign that role to as many concrete ...

Heroku CLI

Incremental Git repository deployment

Simple Rails deployment and configuration management. 15 minute deploys of Rails 2, 3, or 4 apps.

Manage multiple Heroku instances/apps for a single Rails app using Rake

Tomo is a feature-rich deployment tool that contains everything you need to deploy a basic Rails app out of the box. It has an opinionated, production-tested set of defaults, but is easily extensible via a well-documented plugin system. Unlike other Ruby-based deployment tools, tomo’s friendly co...

Vlad the Deployer is pragmatic application deployment automation, without mercy. Much like Capistrano, but with 1/10th the complexity. Vlad integrates seamlessly with Rake, and uses familiar and standard tools like ssh and rsync. Impale your application on the heartless spike of the Deployer.

Opinionated gem for doing fast git-based server deployments.

This project provides libraries of Capistrano tasks and extensions to remove the repetative manual work associated with installing services on linux servers.

A collection of useful utilities for Capistrano deployments

Manage multiple Heroku instances/apps for a single Rails app using Rake. It's the Capistrano for Heroku, without the suck.

Library to create task for deployment to Heroku

Simple web application deployment with "git push"

painless git push deployments for everyone

Gofer provides a flexible and reliable model for performing tasks on remote server using Net::SSH

Deploy applications right out of the box using nginx, unicorn, bower, rails, etc

Tool for managing applications and clouds at shellycloud.com

If you want to manage several Rack apps using different versions of Ruby via RVM, Ruploy can help you. It handles gemsets too !

See http://jeroenr.github.com/debloy/

Simple Heroku-like git push based deployment (utilizing Phusion Passenger)

Retrieve cloud instance DNS names from metadata search

A continous deploy pipeline.

Very simple deployment tool. It was made to deploy rails applications using github, bundler.

Reservoir is a plugin for the humidifier gem that allows you to specify CloudFormation resources in yaml syntax, while still allowing you to take advantage of the flexibility of humidifier.

Manage your Capistrano deployments with ease

Rails and Sinatra deployment made easy