Microsoft IIS
Apache HTTP Server
Apache Tomcat
LiteSpeed Web Server
Forge
Phusion Passenger
Eclipse Jetty
OpenResty
HttpWatch
HTTP Debugger
Chrome DevTools
Fiddler
Xcode
Firefox Developer Tools
Luciq
HttpRequester
Microsoft IIS
HttpWatchApache HTTP Server - Apache httpd has been the most popular web server on the Internet since April 1996
HTTP Debugger - Debug HTTP API calls to a back-end and between back-ends. Easy of use, clean UI, and short ramp-up time. Not a proxy, no network issues!
Apache Tomcat - An open source software implementation of the Java Servlet and JavaServer Pages technologies
Chrome DevTools - Get started with Google Chrome's built-in web developer tools.
LiteSpeed Web Server - LiteSpeed Web Server (LSWS) is a high-performance Apache drop-in replacement.
Fiddler - Fiddler is a debugging program for websites.