XAMPP - XAMPP is a free and open-source cross-platform web server that is primarily used when locally developing web applications.
Clocker - Keep track of people in different time zones
Apache HTTP Server - Apache httpd has been the most popular web server on the Internet since April 1996
Dato - Better menu bar clock with calendar and time zones
Microsoft IIS - Internet Information Services is a web server for Microsoft Windows
Clock mini - Simple clock app in the Dock