Nanaimo is a simple library that implements ASCII Plist serialization and deserialization, entirely with native Ruby code (and zero dependencies). It also comes with out-of-the-box support for serializing Xcode projects (complete with annotations) and XML plists.


Add this line to your application's Gemfile:

gem 'nanaimo'

And then execute:

$ bundle

Or install it yourself as:

$ gem install nanaimo


require 'nanaimo'

# parse a native ruby object from an ascii plist file
project_hash = Nanaimo::Reader

# change that object
project_hash['...'] = '...'

# re-serialize it
ascii_plist_string =


After checking out the repo, run bin/setup to install dependencies. Then, run rake spec to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to


Bug reports and pull requests are welcome on GitHub at[USERNAME]/nanaimo. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the Contributor Covenant code of conduct.


The gem is available as open source under the terms of the MIT License.