Add ElastiFlow

README.md

@@ -403,6 +403,7 @@
 * [cadvisor](https://github.com/google/cadvisor) - Analyzes resource usage and performance characteristics of running containers ([Source Code](https://github.com/google/cadvisor)) `Apache` `Go`
 * [check_mk](http://mathias-kettner.com/check_mk.html) - Collection of extensions for Nagios.
 * [Dash](https://github.com/afaqurk/linux-dash) - A low-overhead monitoring web dashboard for a GNU/Linux machine.
+* [ElastiFlow](https://github.com/robcowart/elastiflow) - Network flow Monitoring (Netflow, sFlow and IPFIX) with the Elastic Stack.
 * [eZ Server Monitor](http://www.ezservermonitor.com) - A lightweight and simple dashboard monitor for Linux, available in Web and Bash application.
 * [Flapjack](http://flapjack.io/) - Monitoring notification routing & event processing system.
 * [Healthchecks](https://healthchecks.io/) - Monitoring for cron jobs, background services and scheduled tasks.