wolfSSL is an open source TLS library. wolfSSL’s products offer optimal performance, rapid integration, leverage hardware crypto and support for the most current standards. wolfSSL is the best tested crypto, the #1 TLS in IoT and the first embedded TLS 1.3 platform with TPM 2.0, MQTT, FIPS 140 certification, hardware crypto acceleration and secure enclave support. All backed by 24/7 support.