Add Healthchecks (https://healthchecks.io)

README.md

@@ -372,6 +372,7 @@
   * [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.
   * [Flapjack](http://flapjack.io/) - Monitoring notification routing & event processing system.
+  * [Healthchecks](https://healthchecks.io/) - Monitoring for cron jobs, background services and scheduled tasks.
   * [Icinga](https://www.icinga.org/) - Nagios fork that has since lapped nagios several times. Comes with the possibility of clustered monitoring - ([Source Code](https://github.com/Icinga)) - `GPLv2`
   * [LibreNMS](http://www.librenms.org) - Fully featured network monitoring system that provides a wealth of features and device support.
   * [Monit](http://mmonit.com/monit/#home) - Small utility for managing and monitoring Unix systems.
@@ -509,7 +510,7 @@ Comparison of NoSQL servers: http://kkovacs.eu/cassandra-vs-mongodb-vs-couchdb-v
 
 * [Tiger VNC](http://tigervnc.org/) - TigerVNC is a high-performance, platform-neutral implementation of VNC (Virtual Network Computing), a client/server application that allows users to launch and interact with graphical applications on remote machines.
 * [Remmina](http://www.remmina.org/wp/) - A Feature rich remote desktop application for linux  and other unixes.
-* [X2go](http://wiki.x2go.org/doku.php) - X2Go is an open source remote desktop software for Linux that uses the NX technology protocol. 
+* [X2go](http://wiki.x2go.org/doku.php) - X2Go is an open source remote desktop software for Linux that uses the NX technology protocol.
 
 
 ## Service Discovery