Apache HTTP Server - Apache httpd has been the most popular web server on the Internet since April 1996
Local by Flywheel - Provides a simple, local development environment with a friendly GUI.
Cherokee - High-performance web server
InstantWP - InstantWP is a complete standalone, portable WordPress development environment.
Caddy - The HTTP/2 Web Server with Automatic HTTPS
XAMPP - XAMPP is a free and open-source cross-platform web server that is primarily used when locally developing web applications.