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Patter

Patter

by PatterAI · GitHub

Open-source voice-AI SDK. The Vapi/Retell alternative for builders who want to own the stack. Give your AI agent a phone number in 4 lines — Python and TypeScript, MIT licensed, Twilio, Telnyx, and Plivo.

# ai-agent# ai-phone-agent# hermes-agent# llm
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⭐ Stars
1k
🍴 Forks
103
🔥 Trending
+1 today
📜 License
MIT
Commercial use OK
📅 Created
2026
🔄 Last commit
5 days ago
🏷️ Category
ai-agent
💻 Language
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📈 Star history
1 0081 007
2026-07-202026-07-21
📄 About

Open-source voice-AI SDK. The Vapi/Retell alternative for builders who want to own the stack. Give your AI agent a phone number in 4 lines — Python and TypeScript, MIT licensed, Twilio, Telnyx, and Plivo.

Frequently asked questions

What is Patter?

Open-source voice-AI SDK. The Vapi/Retell alternative for builders who want to own the stack. Give your AI agent a phone number in 4 lines — Python and TypeScript, MIT licensed, Twilio, Telnyx, and Plivo.

Is Patter open source?

Patter is an open-source project. It is released under the MIT license.

Is Patter free?

Yes. Patter is free and open source — you can use, modify and self-host it.

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