dograh-hq/dograh at 1.3K Stars With +297 Today: Open Source Voice Agent Platform Ships as Self-Hosted Vapi Alternative With Sub-300ms Latency

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Dograh is an open-source alternative to Vapi for building voice AI agents with a drag-and-drop workflow builder. It ships with built-in LLM/TTS/STT stack requiring no API keys, telephony integration (Twilio, Vonage), and true speech-to-speech via Gemini 3.1 Flash Live achieving sub-300ms latency with barge-in handling. BSD 2-Clause licensed, fully self-hostable, and supports local model deployment.