mavenlink

https://github.com/mavenlink/mavenlink_ruby_api

This is a Ruby API client for Mavenlink. Mavenlink's project collaboration suite allows you to manage your business relationships, share files, and track project activity online from anywhere in the world. Within a project workspace in Mavenlink, you can agree on budget & schedule, track time, send invoices, get paid via PayPal, and complete work.