Open source alternatives to Retell AI

1 open source project replaces Retell AI, ranked by how safe each is to depend on.

72 · Stable

Voice AI platform for building phone agents, with a visual workflow editor, telephony support and your choice of speech and LLM providers.

Free to useBSD-2-Clause★ 5.8kLast commit today

At a glance

Health and license are separate verdicts: a project can be well maintained and still not be open source.

Project	Health	License	Stars	Last commit
Dograh	72 · Stable	Free to useBSD-2-Clause	5.8k	today

Retell AI is a paid AI app builders product. See all open source AI app builders tools, ranked the same way.

Scores last refreshed from GitHub on 9 October 2026. How we score.