| ESP32_MQTTv5 | MQTT 5.0 client library for ESP32 |
| MQTTOTAv5 | Secure OTA firmware updates for ESP32 over MQTT v5.0 with SHA-256, HMAC, and chunked transfer. |
| MQTTOTA | Secure OTA firmware updates via MQTT/MQTTS for ESP32 with real SHA-256, HMAC-SHA256, ECDSA-SHA256, and non-blocking restart. |