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Raptor Phusion Passenger

A radically new Ruby web server

Phusion Passenger 5 (codename "Raptor")

The wait is over

Phusion Passenger 5 is a brand new version, faster than ever. Many of you have been waiting for this for a month. We have worked hard to reach this day and we are grateful for all the support and encouragement you've given us so far.

Read the release announcement

Or visit the Phusion Passenger website

Performance and visiblity

Phusion Passenger 5 (codename "Raptor") is a new Ruby app server built for two goals: performance and visibility.

Phusion Passenger 5 has an innovative and optimized HTTP engine, making it up to 4x faster than Unicorn, up to 2x faster than Puma and up to 2x faster than Torquebox.

Phusion Passenger 5 gives you visibility into your app's behavior, so that you can easily analyze problems. No more pulling your hair out during production, wondering why the app is misbehaving.

Learn why Phusion Passenger 5 is so fast »

Learn about its features »

Take someone else's word for it

Before releasing Phusion Passenger 5, we sent previews under the codename "Raptor" to various testers. Here's what some of them have to say.

Phusion Passenger 5 is open source. Try it out yourself, it only takes 10 minutes!

Learn more about Phusion Passenger 5 »

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