The enterprise question shifted from "what can it do" to "where does the call data go." Voice is biometric, deletion promises keep getting overridden, and regulators force data in-country. Dograh runs as the open, fully self-hostable voice layer inside the cloud isolation you already trust.

The four free alternatives to Vapi are Dograh, Pipecat, LiveKit Agents, and Vocode. All open source, all self-hostable, and none charge a per-minute platform fee on top of your AI vendor bills.