Latest stable version: 5.1.12
Free and community supported
"Passenger provides some very important Enterprise class features that help us support the very large user base that we have."
It takes about 5 min to setup Passenger with your app. Additional time might be needed for production environment tools not related to Passenger, such as programming language runtime, firewall, etc.
If you use virtualization, then a server is a virtual machine. Otherwise, a server is a physical machine. In other words, we count the number of OS instances that Phusion Passenger runs on.
We constantly work on improving Passenger, this work generally results in multiple releases per quarter.
You can upgrade your license count by logging in to the customer area or send an email to email@example.com and request for an upgrade.
Powering over 500.000 sites and counting