wolfMQTT is a small, fast, portable MQTT client implementation, including support for TLS 1.3.

Go Secure: SSL/TLS Tunneling easy to use and easy to deploy.

A comprehensive suite of automated tools designed for performance benchmarking and evaluation of Post-Quantum Cryptography (PQC) algorithms. The suite includes scripts for automated testing, parsing of raw benchmark data, and preliminary data visualization.

Script to test the MTA ciphers supported

Rust crate with additional types and utilities for rustls (unofficial)

Whatever I tried .