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Open-source Retell AI alternatives

A curated, ranked list of the 1 best open-source alternatives to Retell AI.

The best open-source alternative to Retell AI is Dograh.

Retell AI alternatives are mainly AI Tools tools. 1 of them shipped code in the last 30 days, 1 can be self-hosted, and 1 uses a permissive licence.

Last updated October 3, 2026 · ranked by GitHub stars, growth and recent commits

Dograh

Dograh is an open-source, self-hostable voice AI platform for building phone agents with a visual workflow builder, positioned against Vapi and Retell.

GitHub stars
5.8k
Last commit
today
Latest release
dograh-v1.47.0
Licence
BSD-2-Clause
Self-hosted
Yes
Hosted version
Available
app.dograh.comDograh homepage screenshot

Dograh is an open-source platform for building voice AI agents that can make and receive phone calls. It describes itself as a self-hostable alternative to Vapi and Retell, and promises full code transparency with no vendor lock-in. Agents are designed in a visual workflow builder and can be tested quickly before going live.

The platform supports bring-your-own-key setups across speech-to-speech models or a pipeline of language model, speech-to-text and text-to-speech providers, including local models. It is MCP-native, so AI coding assistants can help design and edit agents, and it includes telephony support for inbound and outbound calling, with Asterisk ARI among its topics. It is written in Python and builds on the Pipecat framework.

Dograh is released under the BSD 2-Clause license and can run on premises or in a hosted cloud, with the vendor operating an app site. It suits support, sales and operations teams that want to automate calls while controlling data and provider choice.

Key features

  • Visual workflow builder for voice agents
  • Bring-your-own-key model and provider choice
  • Speech-to-speech or LLM, STT and TTS pipelines
  • MCP-native agent editing
  • Inbound and outbound telephony support
  • Self-hosted or on-premises deployment

Pricing: Open source under BSD 2-Clause; you bring your own AI provider keys, and a hosted version is available.

Retell AI alternatives: questions

What is the best open-source alternative to Retell AI?
Dograh is the top-ranked open-source alternative to Retell AI on Enlisted: Dograh is an open-source, self-hostable voice AI platform for building phone agents with a visual workflow builder, positioned against Vapi and Retell.
Are these Retell AI alternatives free?
All 1 are open source, so the code is free to use under its licence, and 1 of them can be self-hosted on your own server. 1 also offer a paid or managed cloud version if you'd rather not host it yourself.
How is this list of Retell AI alternatives ranked?
By a score built from GitHub stars, star growth over the last 30 days and how recently the code changed. 1 of these projects shipped code in the last 30 days. Data is refreshed daily, and nobody can pay to move up.

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