Lectures that talk back. AI tutor with real-time voice conversation, dynamic Gemini-driven slides, and emotion-aware pacing — built at LA Hacks 2024 (Google Gemini Challenge 1st + Fetch.ai Agentified).

A curated list of 150+ voice AI tools — agents, TTS, STT, cloning, telephony, frameworks. The definitive voice AI directory.

Basic apps used for learning

🎙️ Modern voice assistant built with React and Retell AI. Features real-time voice conversations, beautiful UI with Tailwind CSS, and smooth animations with Framer Motion. Perfect for building conversational AI interfaces with clean, production-ready code.

24/7 AI voice receptionist built for a law firm — handles inbound calls via Retell AI, answers FAQs on fees and case status, routes calls intelligently between attorneys and case managers, books Calendly appointments, and escalates to Slack when needed. Zero missed calls. Zero misroutes.

📞 Retell AI webhook ingestion + call analytics dashboard + transcript viewer. Next.js 16, Drizzle, Supabase Postgres, shadcn/ui.

Premium hair salon webapp with AI voice booking (Retell AI), text chat (Gemini), n8n workflows, and Google Calendar integration

Bilingual AI voice agent built with Retell AI that handles sales calls, qualifies leads, and books appointments in French & English. 24/7 automated customer support with Twilio integration.

AI-powered household products store with Retell AI voice assistant, Gemini text chat, and n8n workflow automation

Full-stack appointment booking system with voice agent

A HIPAA-compliant, multi-tenant voice-AI backend that lets dental practices automate patient intake, appointment booking, and more.

C# SDK for the Retell AI API -- voice AI phone agents, calls, phone numbers, and knowledge bases

MCP server for Retellai

🎙️ Modern voice assistant built with React and Retell AI. Features real-time voice conversations, beautiful UI with Tailwind CSS, and smooth animations with Framer Motion. Perfect for building conversational AI interfaces with clean, production-ready code.

Production-ready voice AI agent template. Retell AI + MCP + Twilio. Clone, configure, deploy in 5 minutes.

Autonomous AI receptionist for immigration law firms. Handles inbound and outbound calls in English and Spanish, qualifies leads, books consultations with payment confirmation, and logs everything to GoHighLevel. Built with LangGraph, GPT-4o, Retell AI, ElevenLabs, Twilio, Stripe, and FastAPI.

Processes demo and onboarding transcripts into Retell AI agent configurations - fully automated, zero-cost, versioned, with a web dashboard.

Grace AI is an advanced, AI-powered omnichannel concierge and hospitality management system. It acts as a smart automated backend designed to handle guest requests, ticket routing, and system escalations seamlessly.

🎙️ Build a React-based voice assistant with Retell AI for real-time conversations and a modern UI, enhancing user interaction and experience.

Event-driven AI voice agent orchestrator handling high-concurrency calls using Retell AI, OpenAI GPT-4, and Twilio infrastructure.