cchatd is a webchat designed to handle high
audience chat rooms and chat portals. It is built
to be as lightweight as it can be, but also has
features like load balance and distributing computing.
mini-Pub is a Web publisher that does not access
any kind of database, everything is stored into
XML files, making it perfect for Web sites hosted
where database connections are not avaiable, and
also for fast Web publishing solutions.
Saturn is a job scheduler for networks that makes
it to control local and remote job scheduling
through simple commands similar to crontab, or
through a graphical interface.
Not for Admins
As far as I can see in the article, it is a good advice not only for admins, but also for any aspect of live that includes any kind of conflict, or even a favor asked by someone.
A CPU and memory Java profiler.
An HTML photo album and thumbnail generator that supports themes/skins.