# Open-source voice frameworks: compare vendors

There are 1 open-source voice frameworks vendors in the index.

1 voice AI vendor. Also on the [web page](https://voiceagents.fyi/in/global/online/category/open-source-voice-frameworks).

## Voice AI vendors

1. [Bolna](https://voiceagents.fyi/in/global/online/bolna.md), Voice agent platforms, Online: Bolna AI builds voice AI agents in 20+ languages. Automate support, sales and recruitment calls in Hindi, Hinglish, Tamil, Telugu and more.

## Other categories in Online

- [Contact-centre voice AI](https://voiceagents.fyi/in/global/online/category/contact-center-voice-ai.md): 7 voice AI vendors
- [Voice agent platforms](https://voiceagents.fyi/in/global/online/category/voice-agent-platforms.md): 5 voice AI vendors
- [Outbound and sales calling](https://voiceagents.fyi/in/global/online/category/outbound-sales-calling.md): 4 voice AI vendors
- [AI receptionists](https://voiceagents.fyi/in/global/online/category/ai-receptionists.md): 3 voice AI vendors
- [Voice AI APIs](https://voiceagents.fyi/in/global/online/category/voice-ai-apis.md): 2 voice AI vendors