Awesome
Anjay-esp-idf <img align="right" height="50px" src="https://avsystem.github.io/Anjay-doc/_images/avsystem_logo.png">
Anjay LwM2M library component for esp-idf
environment.
More information on Anjay can be found here: Anjay Github.
An example of usage can be found here: Anjay esp32 Client.