voicebot
Open-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 — Python and TypeScript, MIT licensed, Twilio, Telnyx, and Plivo.
The Open Source Voice Agent Platform. Orchestrate ultra-low latency AI pipelines for real-time conversations over WebRTC.
Python library for voice AI agents on Asterisk 23 chan_websocket. Bring your own provider: Deepgram, OpenAI Realtime, ElevenLabs or Pipecat.