dograh-hq / dograh

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.

hkjarral / AVA-AI-Voice-Agent-for-Asterisk

An open-source AI Voice Agent that integrates with Asterisk/FreePBX using Audiosocket/RTP/Websocket technology https://demo.agent6789.com

MddIdd / mdd-sim-gateway

Self-hosted SIM/eSIM gateway for VoWiFi calling, SMS, cellular data and isolated regional egress