Top 12 Open-Source Alternatives to Apache Tomcat

The top open-source alternatives to Apache Tomcat are Apache HTTP Server, Phusion Passenger, and nginx. 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
#Web And Application Servers #Web Servers #Application Server 50 social mentions
Phusion Passenger Landing Page
2

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
nginx Landing Page
3

nginx

A high performance free open source web server powering busiest sites on the Internet.
Pricing:
- Open Source
#Web And Application Servers #Web Servers #Application Server 46 social mentions
Wildfly Landing Page
4

Wildfly

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

Gunicorn

Gunicorn is a Python WSGI HTTP Server for UNIX.
Pricing:
- Open Source
#Web And Application Servers #Web Servers #Application Server 31 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
#Web And Application Servers #Web Servers #Application Server 29 social mentions
Unicorn Landing Page
7

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 And Application Servers #Application Server #Ruby Application Server 1 social mentions
web2py Landing Page
8

web2py

Web2py is an open source web application framework.
Pricing:
- Open Source
#Web And Application Servers #Web Servers #Application Server 1 social mentions
Laragon Landing Page
9

Laragon

All in one web server.
Pricing:
- Open Source
#Web And Application Servers #Development Tools #Web Servers 54 social mentions
Payara Server Landing Page
10

Payara Server

Payara Server is a fully supported, developer-friendly, open source application server. Innovative, cloud-native, optimized for production deployments. Jakarta EE & MicroProfile compatible.
Pricing:
- Open Source
- Freemium
- Free Trial
#Web And Application Servers #Application Server #Java
Traefik Landing Page
11

Traefik

Load Balancer / Reverse Proxy
Pricing:
- Open Source
#Web Servers #Web And Application Servers #Load Balancer / Reverse Proxy 34 social mentions
Apache Camel Landing Page
12

Apache Camel

Apache Camel is a versatile open-source integration framework based on known enterprise integration patterns.
Pricing:
- Open Source
#Data Integration #ETL #Open Source 12 social mentions