Top 12 Open-Source Alternatives to Microsoft IIS

Microsoft IIS

Internet Information Services is a web server for Microsoft Windows.

(0 reviews)

Post a review

Visit website Alternatives Status Page

Verify Microsoft IIS Edit

Product categories

Application Server Development Tools HTTP/2 Web Server Java Load Balancer / Reverse Proxy Load Balancers Open Source Ruby Application Server Web And Application Servers Web Servers

Summary

The top open-source alternatives to Microsoft IIS are Apache HTTP Server, Apache Tomcat, and Phusion Passenger. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

Apache HTTP Server Landing Page
1

Apache HTTP Server

Apache httpd has been the most popular web server on the Internet since April 1996
Pricing:
- Open Source
#Development Tools #Web Servers #Web And Application Servers 70 social mentions
Apache Tomcat Landing Page
2

Apache Tomcat

An open source software implementation of the Java Servlet and JavaServer Pages technologies
Pricing:
- Open Source
#Open Source #Web And Application Servers #Java 17 social mentions
Phusion Passenger Landing Page
3

Phusion Passenger

Phusion Passenger is a multi-language (Ruby, Python, Node) web & app server which can integrate into Apache and Nginx
Pricing:
- Open Source
#Web Servers #HTTP/2 Web Server #Web And Application Servers 1 social mentions
Wildfly Landing Page
4

Wildfly

WildFly is a flexible, lightweight application server.
Pricing:
- Open Source
#Development Tools #Web Servers #Web And Application Servers 1 social mentions
Gunicorn Landing Page
5

Gunicorn

Gunicorn is a Python WSGI HTTP Server for UNIX.
Pricing:
- Open Source
#Development Tools #Web Servers #Web And Application Servers 33 social mentions
Apache ZooKeeper Landing Page
6

Apache ZooKeeper

Apache ZooKeeper is an effort to develop and maintain an open-source server which enables highly reliable distributed coordination.
Pricing:
- Open Source
#Development Tools #Web Servers #Web And Application Servers 32 social mentions
nginx Landing Page
7

nginx

A high performance free open source web server powering busiest sites on the Internet.
Pricing:
- Open Source
#Web Servers #Load Balancer / Reverse Proxy #Web And Application Servers 61 social mentions
Unicorn Landing Page
8

Unicorn

Unicorn is an HTTP server for Rack applications designed to only serve fast clients on low-latency, high-bandwidth connections.
Pricing:
- Open Source
#Web Servers #HTTP/2 Web Server #Web And Application Servers 1 social mentions
web2py Landing Page
9

web2py

Web2py is an open source web application framework.
Pricing:
- Open Source
#Development Tools #Web Servers #Web And Application Servers 1 social mentions
Caddy Landing Page
10

Caddy

The HTTP/2 Web Server with Automatic HTTPS
Pricing:
- Open Source
#Web Servers #HTTP/2 Web Server #Load Balancers 248 social mentions
Laragon Landing Page
11

Laragon

All in one web server.
Pricing:
- Open Source
#Development Tools #Web Servers #Web And Application Servers 57 social mentions
Cherokee Landing Page
12

Cherokee

High-performance web server
Pricing:
- Open Source
#Development Tools #Web Servers #Web And Application Servers