The aim for this site is to be simple, easy to read and easy to build. Great design for a web site puts the content first.
As you'd expect this site is created with Open Source software for the most part.
Hosting by developers. Works faultlessly and has great documentation.
Secure off-shore and sustainable email services.
Great registrar which is easy and powerful. They also have important privacy tools.
Static site generation that is powerful and flexible.
Mark's site is simple and readable for long and short-form content. I've diverged a bit from his CSS, probably not in a good way!
Disqus : Disqus is an off-site community discussion service. There are real advantages to this system for commenter and those adminstering comments - not least that you can see all your discussions across many sites. In two minds about this, Isso looks like a good alternative.
Some information here.
I've been using Linux since 1996 with various versions of *Nix along the way. At this point the philosophy behind those tools pretty much forms my computing mental model. Some of the most important are:
Linux for Human beings - all the capability and flexibility of Linux, but well put together with sane defaults and a beautiful user experience. Of course!