Link to other BACnet work in the README

README.md

@@ -9,3 +9,9 @@ When running as part of your Zeek installation this plugin will produce a `bacne
 ## Sharing and Contributing
 
 This code is made available under the [BSD-3-Clause license](https://github.com/amzn/zeek-plugin-bacnet/blob/master/LICENSE). [Guidelines for contributing](https://github.com/amzn/zeek-plugin-bacnet/blob/master/CONTRIBUTING.md) are available as well as a [pull request template](https://github.com/amzn/zeek-plugin-bacnet/blob/master/.github/PULL_REQUEST_TEMPLATE.md). A [Dockerfile](https://github.com/amzn/zeek-plugin-bacnet/blob/master/Dockerfile) has been included in the repository to assist with setting up an environment for testing any changes to the plugin.
+
+## Related Work
+
+* [ICSNPP-BACnet](https://github.com/cisagov/icsnpp-bacnet) - Another BACnet plugin implementation for Zeek
+* [BACnet - Spicy](https://github.com/rsmmr/hilti/blob/master/bro/spicy/bacnet.spicy) - An implementation of BACnet in Spicy for Zeek
+