Sentry added

README.md

@@ -208,6 +208,7 @@ A curated list of amazingly awesome open source sysadmin resources inspired by [
 * [Opsview](http://www.opsview.com/solutions/core) - Based on Nagios 4, Opsview Core is ideal for small IT and test environments.
 * [Riemann](http://riemann.io/) - Flexible and fast events processor allowing complex events/metrics analysis.
 * [Sensu](http://sensuapp.org/) - Open source monitoring framework.
+* [Sentry](https://getsentry.com/) - Application monitoring, event logging and aggregation.
 * [Shinken](http://www.shinken-monitoring.org/) - Another monitoring framework.
 * [Thruk](http://www.thruk.org/) - Multibackend monitoring webinterface with support for Naemon, Nagios, Icinga and Shinken.
 * [Xymon](http://www.xymon.com/) - Network monitoring inspired by Big Brother.