https://github.com/fujiapple852/trippy

• ping
• traceroute
• sysadmin
• network
• monitoring
• tool

http://gizmoware.net/bping/

• ping
• sound
• alert
• monitoring
• beep

http://www.barattalo.it/2010/02/24/ping-pingomatic-com-services-with-php/

• php
• ping
• xmlrpc
• pingomatic

http://tools.pingdom.com/

• speed
• ping
• webmaster
• webdev
• optimization
• performance
• test