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Gunicorn
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Gunicorn vs Apache Tomcat: What are the differences?

Developers describe Gunicorn as "A Python WSGI HTTP Server for UNIX". Gunicorn is a pre-fork worker model ported from Ruby's Unicorn project. The Gunicorn server is broadly compatible with various web frameworks, simply implemented, light on server resources, and fairly speedy. On the other hand, Apache Tomcat is detailed as "An open source software implementation of the Java Servlet and JavaServer Pages technologies". Apache Tomcat powers numerous large-scale, mission-critical web applications across a diverse range of industries and organizations.

Gunicorn and Apache Tomcat belong to "Web Servers" category of the tech stack.

"Python" is the primary reason why developers consider Gunicorn over the competitors, whereas "Easy" was stated as the key factor in picking Apache Tomcat.

Gunicorn and Apache Tomcat are both open source tools. It seems that Gunicorn with 5.96K GitHub stars and 1.12K forks on GitHub has more adoption than Apache Tomcat with 3.51K GitHub stars and 2.4K GitHub forks.

ebay, Intuit, and Evernote are some of the popular companies that use Apache Tomcat, whereas Gunicorn is used by Instagram, Fitocracy, and Kippt. Apache Tomcat has a broader approval, being mentioned in 566 company stacks & 430 developers stacks; compared to Gunicorn, which is listed in 184 company stacks and 51 developer stacks.

What is Gunicorn?

Gunicorn is a pre-fork worker model ported from Ruby's Unicorn project. The Gunicorn server is broadly compatible with various web frameworks, simply implemented, light on server resources, and fairly speedy.

What is Apache Tomcat?

Apache Tomcat powers numerous large-scale, mission-critical web applications across a diverse range of industries and organizations.
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      What are some alternatives to Gunicorn and Apache Tomcat?
      uWSGI
      The uWSGI project aims at developing a full stack for building hosting services.
      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.
      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
      Decisions about Gunicorn and Apache Tomcat
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      Reviews of Gunicorn and Apache Tomcat
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      How developers use Gunicorn and Apache Tomcat
      Avatar of Promethean TV
      Promethean TV uses Apache TomcatApache Tomcat

      Apache Tomcat is part of the open source Ant Media Server platform that currently provides both LIVE and VOD video trans-coding and delivery features for the Promethean Platform.

      Avatar of Kingsley Victor
      Kingsley Victor uses Apache TomcatApache Tomcat

      I use Tomcat to run Java enterprise web apps. Used to test enterprise applications mostly written using the Spring framework

      Avatar of Banyan
      Banyan uses GunicornGunicorn

      Gunicorn is WSGI container that we used to run our Tornado code as it supports Asynchronous operations on tornado.

      Avatar of Cian Ó Cuinneagáin
      Cian Ó Cuinneagáin uses Apache TomcatApache Tomcat

      Use this as the application server running on our production and development environment. Hosted on AWS.

      Avatar of The Independent
      The Independent uses Apache TomcatApache Tomcat

      Tomcat provides a fantastic application container that runs the majority of services of the site.

      Avatar of simpleshow GmbH
      simpleshow GmbH uses Apache TomcatApache Tomcat

      Apache Tomcat is being used as our application server for spring-based backend applications.

      Avatar of MiW CryptAnalytics
      MiW CryptAnalytics uses GunicornGunicorn

      Gunicorn runs as the HTTP application server. Serves the django application in WSGI mode.

      Avatar of TOMIS
      TOMIS uses GunicornGunicorn

      uWSGI server that is easy to configure with Nginx and Django

      Avatar of Val Neekman
      Val Neekman uses GunicornGunicorn

      Gunicorn is used as the backend webserver

      Avatar of Alec Cunningham
      Alec Cunningham uses GunicornGunicorn

      Runs my Django based API through nginx.

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