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. This tool aims to make utilising the OQS project easier for research purposes. The suite includes automation scripts for the configuration, testing, and parsing of PQC computational and networking data.

Script to test the MTA ciphers supported

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

Whatever I tried .