is a free logging and watchdog service.


  • Supports Alarm logging and Heartbeat logging. Alarm logging will send you an email whenever a log event occurs. Heatbeat logging will send you an email if a log event does not occur for a specified amount of time.
  • You use a standard HTTP request to log an event. This technique is simple and universally available. Works in bash, DOS, C, Python, or whatever. See Examples.
  • Generates statistics and historical charts of log events.

Note that Thumpr is not really designed for very-high-frequency logging. If you want to log more than once or twice per minute from a single app, take a look at

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This email address is where your log notifications will be sent.