- cane: https://github.com/square/cane
- Capybara: https://github.com/jnicklas/capybara
- REST Client: https://github.com/archiloque/rest-client
- Savon: https://github.com/savonrb/savon
- Unicorn: https://github.com/defunkt/unicorn
- Comfortable Mexican Sofa: https://github.com/comfy/comfortable-mexican-sofa
- Rubeque: https://github.com/SciMed/rubeque