Web Calendar is a powerful group calendaring and scheduling system. It is a Web based application that makes it easy to publish and manage calendar events on the internet. It includes an impressive set of features, including an easy to use interface, rich functionality, and sophisticated scheduling. It is a CGI application. It runs under your Web server, so to use it, all you need is a browser. There is no proprietary software that needs to be installed on the client side. Web Calendar runs under Unix and Windows.