Voice Agents
AI agents that hold real-time voice conversations for calls, support, and assistants.
Commercial products
Bland AIEnterprise platform for AI phone calls that sound human.ElevenLabs AgentsConversational voice agents powered by ElevenLabs' leading speech models.Retell AIBuild production-ready AI phone agents with ultra-low latency.SynthflowNo-code AI voice agents for inbound and outbound calls.VapiDeveloper platform for building, testing, and deploying voice AI agents.
Open-source index
01xiaozhi-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.02ten-vadVoice Activity Detector (VAD): low-latency, high-performance and lightweight03bailing百聆 是一个类似GPT-4o的语音对话机器人，通过ASR+LLM+TTS实现，集成DeepSeek R1等优秀大模型，接入openClaw，真正的个人语音助手，时延低至800ms，Mac等低配置也可运行，支持打断04RCLITalk to your Mac, query your docs, no cloud required. On-device voice AI + RAG05CyberVerseSelf hosted, real-time digital human agent platform. Build voice-first AI agents with WebRTC, persona memory, tools, RAG, and optional digi…06PatterOpen-source voice-AI SDK. The Vapi/Retell alternative for builders who want to own the stack. Give your AI agent a phone number in 4 lines…07rustpbxA PBX written by rust08echokit_serverOpen Source Voice Agent Platform09StarmoonA conversational, AI device + software framework for companionship, entertainment, education, healthcare, IoT applications, and DIY robotic…10JARVISYour own personal voice assistant: Voice to Text to LLM to Speech, displayed in a web interface11deepgram-python-sdkOfficial Python SDK for Deepgram.12bolnaEnd-to-end platform for building voice first multimodal agents
13sutandoMy AI Stand. Realtime by day, rewriting itself by night. Summon my AI superpower.14LLMVoXLLMVoX: Autoregressive Streaming Text-to-Speech Model for Any LLM15ai-avatar-systemAI Avatar / digital human platform — upload a photo, clone a voice, talk to any face in real time with lip-sync video. Open-source, self…16agent-second-brainAn always-on second brain you talk to. Voice notes in Telegram → typed, linked knowledge in your Obsidian vault. Runs 24/7 on the Claude su…17deepgram-js-sdkOfficial JavaScript SDK for Deepgram.18xybridBuild apps powered by on-device AI19M.I.L.E.SM.I.L.E.S, a GPT-4-Turbo voice assistant, self-adapts its prompts and AI model, can play any Spotify song, adjusts system and Spotify volum…20gdansk-aiFull stack voice chatbot21active-callA SIP/WebRTC voice agent22AI-Voice-AgentSelf-hosted AI voice agent23axiom-voice-agentRun a <400ms latency Voice Agent on just 4GB VRAM. Fully offline, no API keys required. Optimized for GTX 1650 and edge robotics with zero-…24BentoVoiceAgentBuild Phone Calling Voice Agent fully powered by open source models.
