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@@ -945,6 +945,7 @@ See https://github.com/n1trux/awesome-sysadmin#metric--metric-collection
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   * [Calagator](http://calagator.org/) - An event aggregator. ([Demo](http://calagator.org/), [Source code](https://github.com/calagator/calagator)) `MIT` `Ruby`
+  * [Clerk](https://github.com/chr15m/Clerk) - Simple event logger to keep track of periodic events, habits, etc. as they occur. `GPLv3` `PHP`
   * [dudle](http://primelife.ercim.eu/results/opensource/63-dudle) - An online scheduling application. ([Demo](https://dudle.inf.tu-dresden.de/)) `AGPLv3` `Ruby`
   * [Fider](http://getfider.com) - An open source alternative to UserVoice for customer feedback. ([Demo](https://demo.fider.io), [Source Code](https://github.com/getfider/fider)) `MIT` `Go`
   * [Framadate](https://framadate.org/) - An online service for planning an appointment or make a decision quickly and easily: Make a poll, Define dates or subjects to choose, Send the poll link to your friends or colleagues, Discuss and make a decision. ([Demo](https://framadate.org/aqg259dth55iuhwm), [Source Code](https://git.framasoft.org/framasoft/framadate)) `CeCILL-B` `PHP`