Project Summary
Phusion Passenger™ is a web server and application server, designed to be fast, robust and lightweight. It takes a lot of complexity out of deploying web apps, adds powerful enterprise-grade features that are useful in production, and makes administration much easier and less complex. Phusion Passenger supports Ruby, Python, Node.js and Meteor, and is being used by high-profile companies such as Apple, Pixar, New York Times, AirBnB, Juniper etc as well as over 350.000 websites.
In a Nutshell, Phusion Passenger...
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took an estimated 196 years of effort (COCOMO model)
starting with its first commit in January, 2008
ending with its most recent commit almost 6 years ago
Quick Reference
GNU General Public License v2.0 or later
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These details are provided for information only. No information here is legal advice and should not be used as such.
Project Security
Vulnerabilities per Version ( last 10 releases )
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30 Day SummaryFeb 5 2026 — Mar 7 2026
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12 Month SummaryMar 7 2025 — Mar 7 2026
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