Passenger vs. Unicorn vs. Puma

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What is Passenger?

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.

What is Unicorn?

Unicorn is an HTTP server for Rack applications designed to only serve fast clients on low-latency, high-bandwidth connections and take advantage of features in Unix/Unix-like kernels. Slow clients should only be served by placing a reverse proxy capable of fully buffering both the the request and response in between Unicorn and slow clients.

What is Puma?

Unlike other Ruby Webservers, Puma was built for speed and parallelism. Puma is a small library that provides a very fast and concurrent HTTP 1.1 server for Ruby web applications.
Why do developers choose Passenger?
Why do you like Passenger?

Why do developers choose Unicorn?
Why do you like Unicorn?

Why do developers choose Puma?
Why do you like Puma?

What are the cons of using Passenger?
Downsides of Passenger?

What are the cons of using Unicorn?
Downsides of Unicorn?

What are the cons of using Puma?
Downsides of Puma?

Want advice about which of these to choose?Ask the StackShare community!

What companies use Passenger?
416 companies on StackShare use Passenger
What companies use Unicorn?
210 companies on StackShare use Unicorn
What companies use Puma?
96 companies on StackShare use Puma
What tools integrate with Passenger?
6 tools on StackShare integrate with Passenger
No integrations listed yet
No integrations listed yet

What are some alternatives to Passenger, Unicorn, and Puma?

  • nginx - A high performance free open source web server powering busiest sites on the Internet.
  • Apache HTTP Server - Apache httpd has been the most popular web server on the Internet since April 1996
  • Microsoft IIS - Internet Information Services is a web server for Microsoft Windows
  • Apache Tomcat - An open source software implementation of the Java Servlet and JavaServer Pages technologies

See all alternatives to Passenger

Unicorn vs. Puma vs. Passenger: which app server is ...


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