Capistrano + Notification Center
capistrano-nc integrates Capistrano and Mountain Lion's Notification Center.

Installation
for Capistrano 3.x
# Gemfile
gem 'capistrano-nc', '~> 0.1.0'
# Capfile
require 'capistrano-nc/nc'
for Capistrano 2.x
# Gemfile
gem "capistrano-nc", "~> 0.0.2"
# config/deploy.rb
require "capistrano-nc"
By default it will run the nc:finished task after your deploy or deploy:migrations. If this behavior doesn't suit you, you can hook nc:finished to any custom task by editing deploy.rb:
after `your:task`, `nc:finished`