Quietly Confident is a small tool written in perl to maintain a static website. It uses textfiles as input and understands markdown, perl pod and html input formats.
You can read the documentation over at github.
The source if Quietly Confident is maintained on github and can be downloaded from there.
It is also available via CPAN.
Take a look on a sample generated by QC.
I maintain a blogpost about the tool in german which I update regularly. Head there for news about QC