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Cowboy

613
63
+ 1
19
Passenger

1.4K
279
+ 1
199
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Cowboy vs Passenger: What are the differences?

What is Cowboy? Small, fast, modular HTTP server written in Erlang. Cowboy aims to provide a complete HTTP stack in a small code base. It is optimized for low latency and low memory usage, in part because it uses binary strings. Cowboy provides routing capabilities, selectively dispatching requests to handlers written in Erlang.

What is Passenger? A fast and robust web server and application server for Ruby, Python and Node.js. 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.

Cowboy and Passenger belong to "Web Servers" category of the tech stack.

"Websockets integration" is the primary reason why developers consider Cowboy over the competitors, whereas "Nginx integration" was stated as the key factor in picking Passenger.

Cowboy and Passenger are both open source tools. It seems that Cowboy with 5.59K GitHub stars and 999 forks on GitHub has more adoption than Passenger with 4.41K GitHub stars and 505 GitHub forks.

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Pros of Cowboy
Pros of Passenger
  • 8
    Websockets integration
  • 6
    Cool name
  • 3
    Good to use with Erlang
  • 2
    Anime mascot
  • 43
    Nginx integration
  • 36
    Great for rails
  • 21
    Fast web server
  • 19
    Free
  • 15
    Lightweight
  • 14
    Scalable
  • 13
    Rolling restarts
  • 10
    Multithreading
  • 9
    Out-of-process architecture
  • 6
    Low-bandwidth
  • 2
    Virtually infinitely scalable
  • 2
    Deployment error resistance
  • 2
    Mass deployment
  • 2
    High-latency
  • 1
    Many of its good features are only enterprise level
  • 1
    Apache integration
  • 1
    Secure
  • 1
    Asynchronous I/O
  • 1
    Multiple programming language support

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Cons of Cowboy
Cons of Passenger
    Be the first to leave a con
    • 0
      Cost (some features require paid/pro)

    Sign up to add or upvote consMake informed product decisions

    What is Cowboy?

    Cowboy aims to provide a complete HTTP stack in a small code base. It is optimized for low latency and low memory usage, in part because it uses binary strings. Cowboy provides routing capabilities, selectively dispatching requests to handlers written in Erlang.

    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.

    Need advice about which tool to choose?Ask the StackShare community!

    Jobs that mention Cowboy and Passenger as a desired skillset
    Pinterest
    San Francisco, CA, US; Palo Alto, CA, US; Seattle, WA, US
    Pinterest
    Palo Alto, CA, US; San Francisco, CA, US; New York City, NY, US; Seattle, WA, US
    Pinterest
    Palo Alto, CA, US; San Francisco, CA, US; New York City, NY, US; Seattle, WA, US
    What companies use Cowboy?
    What companies use Passenger?
    See which teams inside your own company are using Cowboy or Passenger.
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    What tools integrate with Cowboy?
    What tools integrate with Passenger?
      No integrations found

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      What are some alternatives to Cowboy and Passenger?
      NGINX
      nginx [engine x] is an HTTP and reverse proxy server, as well as a mail proxy server, written by Igor Sysoev. According to Netcraft nginx served or proxied 30.46% of the top million busiest sites in Jan 2018.
      Apache HTTP Server
      The Apache HTTP Server is a powerful and flexible HTTP/1.1 compliant web server. Originally designed as a replacement for the NCSA HTTP Server, it has grown to be the most popular web server on the Internet.
      Microsoft IIS
      Internet Information Services (IIS) for Windows Server is a flexible, secure and manageable Web server for hosting anything on the Web. From media streaming to web applications, IIS's scalable and open architecture is ready to handle the most demanding tasks.
      Apache Tomcat
      Apache Tomcat powers numerous large-scale, mission-critical web applications across a diverse range of industries and organizations.
      OpenResty
      OpenResty (aka. ngx_openresty) is a full-fledged web application server by bundling the standard Nginx core, lots of 3rd-party Nginx modules, as well as most of their external dependencies.
      See all alternatives