Engine Yard provides the industry's leading deployment and management platform for Ruby on Rails applications.

Engine Yard Cloud is a pay-as-you go service that runs on top of a cloud computing infrastructure. Built on an optimized, pre-integrated Rails stack, Engine Yard Cloud provides automatic load balancing for reliability, just in time scalability to handle peak traffic times and application cloning for faster feature delivery and time to market.

Engine Yard also offers world-class 24X7 application monitoring, Rails support and professional services ensuring the peace of mind a well deployed, high performance application should bring. Today, Engine Yard helps over 700 customers grow their revenues, lower their costs and protect their business assets.

New Relic offers RPM, a Rails Performance Management solution that enables developers and operations teams to quickly and cost effectively monitor, diagnose, and fix application performance problems in real time. More than 1500 organizations use New Relic RPM to monitor and optimize their Rails applications. New Relic is a private company headquartered in San Francisco, California.

PS Synergy LLC is a consulting and training firm focused on helping organizations leverage lean, agile, and other approaches in harmonizing business and technology to achieve an enduring competitive advantage.

For subscription-based businesses we highly recommend Spreedly, since it allows us to focus on building a client's core business instead of mucking around with billing. Spreedly takes weeks or months worth of billing development and reduces it to a few hours of integration work, which makes it a powerful tool in our toolbox.