diff --git a/README.md b/README.md
index 169c5c5..11ac7c3 100644
--- a/README.md
+++ b/README.md
@@ -78,6 +78,7 @@ MQTT is a lightweight client-server publish/subscribe messaging protocol, optimi
 * [SurgeMQ](https://zhen.org/categories/surgemq/) - High Performance MQTT Server and Client Libraries in Go.
 * [VerneMQ](https://vernemq.com/) - an Apache2 licensed distributed MQTT broker, developed in Erlang.
 * [Vert.x MQTT](https://github.com/vert-x3/vertx-mqtt) - Vert.x component to handle connections, communication and messages exchange with remote MQTT clients.
+* [Waterstream](https://waterstream.io/) - MQTT broker leveraging Apache Kafka as its own storage and distribution engine.
 
 ### Cloud