Category

Open Source Frameworks

Open-source stacks for realtime voice agents, pipelines, and orchestration.

Open-source end-to-end voice AI agents with telephony and LLM orchestration.

OSS

Open-source WebRTC SFU and cloud for realtime audio used by voice agents.

OSS + cloud

Framework for building realtime voice AI agents on LiveKit WebRTC infrastructure.

OSS + cloud

OpenAI realtime multimodal API for low-latency speech-to-speech agent experiences.

Usage-based

Open-source Python framework for building realtime voice and multimodal AI agents.

OSS

Open-source conversational AI framework often paired with voice channels in production stacks.

OSS + enterprise

PyTorch-based open-source toolkit for speech processing research and production components.

OSS

Open-source and hosted toolkit for building voice agents over phone and web.

OSS + hosted