View a calendar for any month
Eclipse information, moon phase, easter date, etc.
Monthly calendars as images (with PHP source code)
Yearly calendar plotting moon number against moon-phase
Always useful to know: what's the IP address of the computer you're using
The identification string that your web browser is sending to websites
Does exactly what it says on the tin
Just some blocks of colour on a page
Onscreen rulers
Web-based calculator for the value of a software project
