Window Switch is a tool which allows you to display running applications on other computers than the one you start them on. Once an application has been started via a winswitch server, it can be displayed on other machines running winswitch client, as required
This Mini-HOWTO describes how to connect X Terminals with a Linux host using nfs, xfs, xdm and xdmcp.
The Mailhandler module allows registered users to create or edit nodes and comments via email. Authentication is usually based on the From: email address. Users may post taxonomy terms, teasers, and other node parameters using the Commands capability.
Simple network tools. Good to check DNS because resolving is been done on server side