There are 2 repositories under crestron-devices topic.
List Crestron devices on all network interfaces
Restart Module - Crestron Series 3 and Series 4 Processors
Source, scripts, and tools used to build a toolchain for Crestron AirMedia devices
Crestron/Barco/Extron/InFocus/TeqAV Remote Command Injection (CVE-2019-3929) Metasploit Module
Crestron Search Module for 500 Sources.
Crestron Time Date Module
A utility to rapidly discover, catalog, and configure AV devices