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RCLI alternatives

Looking for an alternative to RCLI? Below are the voice agents in our index that do a similar job — open-source options are ranked by real maintained adoption (GitHub stars and recent commit activity), never by sponsorship. RCLI is open source, so the list below includes both other self-hostable projects and commercial products.

28 alternatives · all voice agents · how we rank

The product you're replacing

RCLIAgentVoice Agents

Talk to your Mac, query your docs, no cloud required. On-device voice AI + RAG

Open source · 1.5k stars · C++ · MIT · updated Mar 2026

Visit RCLI →Full RCLI record

Building one yourself? How to build a voice AI agent →

Commercial alternatives to RCLI

Listed alphabetically — GitHub stars don't measure commercial adoption.

Bland AIPlatformEnterprise platform for AI phone calls that sound human.Paid productElevenLabs AgentsPlatformConversational voice agents powered by ElevenLabs' leading speech models.FreemiumRetell AIPlatformBuild production-ready AI phone agents with ultra-low latency.Paid productSynthflowPlatformNo-code AI voice agents for inbound and outbound calls.Paid productVapiPlatformDeveloper platform for building, testing, and deploying voice AI agents.Paid product

Open-source alternatives to RCLI

Ranked by maintained adoption — self-hostable and free to run.

bailingAgent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Python · 1.8k stars · MIT · Apr 2026JARVISAgentYour own personal voice assistant: Voice to Text to LLM to Speech, displayed in a web interfacePython · 526 stars · GPL-3.0 · Jun 2024bolnaAgentEnd-to-end platform for building voice first multimodal agentsPython · 431 stars · MIT · Oct 2024sutandoAgentMy AI Stand. Realtime by day, rewriting itself by night. Summon my AI superpower.Python · 365 stars · MIT · Aug 2026ai-avatar-systemAgentAI Avatar / digital human platform — upload a photo, clone a voice, talk to any face in real time with lip-sync video. Open-source, self-hosted. Claude · Whisper · Chatterbox · MuseTalk.Python · 356 stars · MIT · Jul 2026agent-second-brainAgentAn always-on second brain you talk to. Voice notes in Telegram → typed, linked knowledge in your Obsidian vault. Runs 24/7 on the Claude subscription you already have.Python · 346 stars · MIT · Aug 2026M.I.L.E.SAgentM.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 volume, performs calculations, browses the web and internet,Python · 234 stars · MIT · Jul 2026gdansk-aiAgentFull stack voice chatbotTypeScript · 199 stars · GPL-2.0 · Oct 2024active-callAgentA SIP/WebRTC voice agentRust · 185 stars · Aug 2026axiom-voice-agentAgentRun a <400ms latency Voice Agent on just 4GB VRAM. Fully offline, no API keys required. Optimized for GTX 1650 and edge robotics with zero-copy inference. (Apache 2.0)Python · 137 stars · Apache-2.0 · May 2026BentoVoiceAgentAgentBuild Phone Calling Voice Agent fully powered by open source models.Python · 127 stars · Jul 2026AI-Voice-AgentAgentSelf-hosted AI voice agentPython · 35 stars · MIT · Jul 2026
Signal inventory open — put your agent in front of people choosing oneReserve a signal slot →
xiaozhi-esp32-serverInfrastructure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.JavaScript · 10k stars · MIT · Aug 2026ten-vadSDK / libraryVoice Activity Detector (VAD): low-latency, high-performance and lightweightC · 2.2k stars · Feb 2026CyberVersePlatformSelf hosted, real-time digital human agent platform. Build voice-first AI agents with WebRTC, persona memory, tools, RAG, and optional digital-human video.Python · 1.6k stars · GPL-3.0 · Aug 2026PatterSDK / libraryOpen-source voice-AI SDK. The Vapi/Retell alternative for builders who want to own the stack.Python · 1.0k stars · MIT · Aug 2026rustpbxInfrastructureA PBX written by rustRust · 744 stars · MIT · Aug 2026echokit_serverPlatformOpen Source Voice Agent PlatformRust · 590 stars · GPL-3.0 · Feb 2026StarmoonFrameworkA conversational, AI device + software framework for companionship, entertainment, education, healthcare, IoT applications, and DIY robotics.TypeScript · 549 stars · GPL-3.0 · Mar 2026deepgram-python-sdkSDK / libraryOfficial Python SDK for Deepgram.Python · 456 stars · MIT · Aug 2026xybridSDK / libraryBuild apps powered by on-device AIRust · 334 stars · Apache-2.0 · Aug 2026LLMVoXSDK / libraryLLMVoX: Autoregressive Streaming Text-to-Speech Model for Any LLMPython · 309 stars · May 2025deepgram-js-sdkSDK / libraryOfficial JavaScript SDK for Deepgram.TypeScript · 270 stars · MIT · Aug 2026

Frequently asked

What is the best alternative to RCLI?
It depends on whether you'd rather self-host or buy a managed product. bailing is the most widely-adopted open-source alternative (1.8k GitHub stars); Bland AI is one of the commercial options. Compare the full list above on adoption, license, and pricing.
Is there a free or open-source alternative to RCLI?
Yes. bailing, JARVIS, and bolna are open-source voice agents you can self-host for free — you still pay for the infrastructure you run them on and any model or API usage. See the ranked open-source list above.
How are these RCLI alternatives ranked?
Every product in the voice agents category is a candidate. Open-source alternatives are ranked by maintained adoption — GitHub stars plus recent commit activity — so you see what's genuinely used, not abandoned. Commercial products are listed separately and alphabetically, because stars don't measure commercial adoption. Sponsored placement is always labeled and never affects the ranking.