xiaozhi-esp32-server and xiaozhi-esp32-server-java
These are competing implementations of an ESP32 device control server, both providing backend services for the xiaozhi-esp32 platform but in different programming languages (Python/Node.js vs Java), so users would select one based on their technology stack preference.
About xiaozhi-esp32-server
xinnan-tech/xiaozhi-esp32-server
本项目为xiaozhi-esp32提供后端服务，帮助您快速搭建ESP32设备控制服务器。Backend service for xiaozhi-esp32, helps you quickly build an ESP32 device control server.
Based on the README, here's a technical summary: Implements intelligent device control through MQTT+UDP and WebSocket protocols using a Python/Java/Vue stack, supporting streaming ASR/TTS pipelines for sub-3-second response latency. Features voice biometrics, knowledge base integration, and MCP endpoints for multi-agent management, with flexible deployment options—from minimal file-based configurations to full database-backed architectures supporting concurrent user sessions and OTA updates.
About xiaozhi-esp32-server-java
joey-zhou/xiaozhi-esp32-server-java
小智ESP32的Java企业级管理平台，提供设备监控、音色定制、角色切换和对话记录管理的前后端及服务端一体化解决方案
Built on Spring Boot + Spring MVC with WebSocket and MQTT protocols, this Java backend manages real-time device communication and supports multi-platform LLM integration (OpenAI, Zhipu, iFlytek, Ollama). The stack includes Vue.js + Ant Design frontend, MySQL + Redis persistence, and abstracts multiple speech recognition (Funasr, Alibaba, Tencent, Vosk) and TTS services while enabling IoT control via Function Call and MCP tool integration for smart home automation.
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