Is It Down Right Now? - Network & Admin
StatusNotify - StatusNotify monitors the status of 250+ cloud services.
Is it up? - A simple tool to check if a website or ip address is up or down.
IsDown App - Monitor all your cloud services status pages in one place
Is it Down? - Is it down can check if a website is down or is it just your PC that can not access it.
DownDetector - A simple service to tell you whether a website is down.