Perl-dyndns is project to provide a cross-platform
solution for DHCP ISP-connected users who can
obtain permanent DNS, MX, and Web hosting service
from a DDNS provider. Among others, it supports
dyndns.org on Win32 and Linux.
FWPTT (Fast Web Performance Test Tool) is a Web application for load testing Web applications. It can record normal and AJAX requests. It has been tested on ASP.NET applications, but it should work with JSP, PHP, or other technologies.