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@@ -90,6 +90,7 @@ MQTT is a lightweight client-server publish/subscribe messaging protocol, optimi
 * [MQTT-PWN](https://github.com/akamai-threat-research/mqtt-pwn) - MQTT-PWN intends to be a one-stop-shop for IoT Broker penetration-testing and security assessment operations.
 * [mqtt-shell](https://github.com/pidster-dot-org/mqtt-shell) - A simple interactive shell for MQTT.
 * [mqtt-spy](http://kamilfb.github.io/mqtt-spy/) - Java based MQTT frontend. Supports scripting.
+* [mqtt_tree](https://github.com/poggenpower/mqtt_tree) - Displays all Topics in an expandable tree, helps to get an overview if you have a lot of clients publishing. (python, tkinter)
 * [mqtt-utils](https://github.com/dsell/mqtt-utils) - A collection of MQTT utilities.
 * [mqtt-wall](https://github.com/bastlirna/mqtt-wall) - Subscription only web-based client – like Twitter wall for MQTT.
 * [mqtt-wildcard](https://github.com/hobbyquaker/mqtt-wildcard) - Node.js Module to match a MQTT Topic against wildcards.