The followings are the products we have developed for DirectAdmin:
Rails in DA (RiD) is a DirectAdmin plugin that allows your users to manage their Ruby on Rails application in a comfort and secure environment. RiD utilizes the Mongrel Lib and provides two powerful, secure and jailed emulational "shells".
DA-Tomcat is an Apache Tomcat Manager plugin for DirectAdmin. This powerful plugin allows admins to manage Tomcat virtual hosts. It also allows users to manage their JSP/Servlet applications without the need of Tomcat Manager privilege. Do all of these just within DirectAdmin!
DeeperAdmin allows you to utilize some features that already exist in DirectAdmin but without a user-friendly interface. This plugin gives you the ability to manage your server "deeper".
IP Deny Manager (IDM) consists of 2 components, IDM itself and Hotlink Guard. IDM allows user to prevent an IP address, domain name, or block of IP addresses from accessing his own web site. Hotlink Guard allows user to prevent hotlinking.
The daplugin.build script is a small Linux/Unix shell script that similar to the customapache build script created by the DirectAdmin team. It allows you to install and update tons of softwares that work under DirectAdmin and our plugin products.