voice-ai-platform

Open source voice AI platform. Self-hosted alternative to Vapi and Retell. On Prem, BYOK across Speech to Speech or LLM/STT/TTS, with a visual workflow builder, MCP native and telephony support.

🔊 Text-prompted Generative Audio Model - With the ability to clone voices

The Self-Coding System for Your App — Alan AI SDK for Web

Rapida is an open-source, end-to-end voice AI orchestration platform for building real-time conversational voice agents with audio streaming, STT, TTS, VAD, multi-channel integration, agent state management, and observability.

Benten is an audio evaluation and analytics platform built specifically for Voice AI agents. It connects directly to voice AI platforms to discover your agents, process call audio, and measure conversation quality, response latency, and speech dynamics.

Open-source Python SDK for real-time Voice AI, voice agents, streaming audio, and observability using Rapida.

Awesome Voice Ai

Open-source voice agent platform with visible reasoning. Build a roster of AI experts with their own retrieval, guardrails, rules and RAG sources - configured from the UI, with per-step model routing across cloud providers or fully local via Ollama.

Linguana Voice AI Training Progressive Web Application

Dhwani is a verification-first voice AI layer for Karnataka’s 1092 helpline that ensures citizens are correctly understood before any response or escalation happens. In multilingual, dialect-rich, and emotionally charged calls, the biggest risk is not just poor transcription or translation, but acting on a misunderstood issue.

Murf Ai's 30 Days of Voice Agents Challenges

Python SDK for connecting your AI agent to real-time voice, phone, and chat — with zero dead air. Plug in your existing agent and give it a voice.

Realtime multilingual AI voice agent with live STT, conversational routing, and realtime browser streaming.