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@@ -220,6 +220,7 @@ MQTT is a lightweight client-server publish/subscribe messaging protocol, optimi
 
 ### Visualization, Dashboards
 
+* [d3-MQTT-Topic-Tree](https://github.com/hardillb/d3-MQTT-Topic-Tree) - A MQTT Topic Tree viewer using the d3 collapsable tree and MQTT over websockets
 * [node-red-dashboard](https://github.com/node-red/node-red-dashboard) - A dashboard UI for Node-RED.
 * [mqtt-panel](https://github.com/fabaff/mqtt-panel) - A web interface for MQTT.
 * [mqtt-svg-dash](https://github.com/jpmens/mqtt-svg-dash) - Subscribe to MQTT, extract JSON from a message and make lights blink on an SVG page.