XAMPP isn't in PortableApps.com Format, but it easily integrates with the PortableApps.com Menu by using the XAMPP Launcher (linked above) and installing XAMPP in the root directory of your portable device or the appropriate subdirectory within XAMPP launcher. You can open the zip/7z archive of the portable version with 7-Zip Portable.
XAMPP is a complete web, database and FTP server package for Windows that's ready to go in minutes and completely portable. The full XAMPP package includes:
- PHP + PEAR
- XAMPP Control Panel
- Mercury Mail Transport System
- FileZilla FTP Server
- Zend Optimizer
- XAMPP Security