The playground is where I dump random projects and data.
The is no index for the playground, projects here will come and go just as I feel like.

When I'm somewhat happy with something, it will maybe move to the project pages.

Latest hip thing: interactive bicycle route, a fast connection from Unterhaching to Munich with photos.

New: DNSoupdate, a CGI frontend to remotely, efficiently and securely update DNS servers via the update function built into DNS.