I was looking for something like this the other day and I found a few open source apps: https://github.com/fzaninotto/uptime https://github.com/fzaninotto/uptim

I was looking for something like this the other day and I found a few open source apps: https://github.com/fzaninotto/uptime https://github.com/fzaninotto/uptime and https://github.com/arachnys/cabot https://github.com/arachnys/cabot It would be good to find one that I could deploy on app engine.