| 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 | Complete SDK for OTA firmware updates via MQTT/MQTTS with chunked transfer and ESP-IDF integration. |