PerlGtk Adsense Checker is a small script that runs in the background and checks your adsense account every 30 minutes and shows your actual earnings in a small popup window in the center of your screen. If you put your mouse pointer over the systray icon, a tooltip with the same information is shown.
PHP Shell Commander is a PHP script that looks like a Linux shell and allows you to execute commands. It allows you to execute Unix commands even if you can't get a shell account at your host. This can be useful to maintain or clean up your directories, create backups, install software. and debug scripts. It is easy to install, set up, and use.
CookieCheck is a basic PHP script for checking whether a visitor has cookies enabled or not. Its design makes it simple to include into an existing script: just include the source file and call the check function. CookieCheck preserves the values of any GET or POST information sent to your script, so it does not require any major modifications to your original script.