Apache Tomcat - An open source software implementation of the Java Servlet and JavaServer Pages technologies
Microsoft Outlook - Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.
Microsoft IIS - Internet Information Services is a web server for Microsoft Windows
Fantastical 2 - Fantastical, the Mac calendar app you'll enjoy using. Quickly create new events with natural language input and more.
Apache HTTP Server - Apache httpd has been the most popular web server on the Internet since April 1996
Simple Calendar - A simple calendar with events (optional recurring and reminders), week numbers and a customizable...