LiveKit Agents
Open-source framework$0.01/min agent session + models + telephony (vendor example ≈ $0.048/min)
Developers wanting open source with an optional managed cloud
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Open-source framework
Frameworks you can self-host. The software may be free. The cost is usually the models and phone lines you connect.
TL;DR
11 vendors as of 2026-10-17. 9 publish a price we could confirm. Organic order is by public rating, then A–Z. First in the default order: LiveKit Agents, Agent Voice Response, Dograh.
How pricing is shown
A figure appears only when it was on the vendor's own pricing page on the checked date. Otherwise the card says Pricing: contact vendor / see their pricing page and links to the vendor. We do not estimate a price.
Vendors
11 in this list. On a phone, use Next to move through the directory. Paid cards stay first.
Agent Voice Response
Open-source frameworkFree, open source (self-hosted)
Teams with existing Asterisk telephony
Dograh
Open-source frameworkOpen source free; cloud credits from $5; custom/on-prem enterprise
Teams wanting OSS voice agents
Fonoster
Open-source frameworkCloud $25/mo with $10 starting credits; self-host free
Developers wanting an OSS Twilio alternative
Jambonz
Open-source frameworkMonthly subscription $8/$6/$5 per session tier; $2,000 unlimited
Telecom-savvy teams
Kyutai
Open-source frameworkFree / open source
Researchers and self-hosters
Pipecat
Open-source frameworkFree, open source
Engineers building custom agents
Rapida
Open-source frameworkLaunch free; Scale $500/mo; Grow $2,000/mo; enterprise
Platforms embedding voice AI
Stream Vision Agents
Open-source frameworkDevelopers building multimodal agents
Pricing unconfirmedTEN Framework
Open-source frameworkFree, open source
Developers building realtime agents
Vocode
Open-source frameworkEngineers who want to self-host
Pricing unconfirmedRelated categories
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FAQ
How many Open source vendors are listed?
11 as of 2026-10-17. 9 have a price we confirmed on the vendor's pricing page. The others link to the vendor and do not show an amount.
How is this Open source list ordered?
Paid placements from the featured list come first and are labelled. Organic results follow by third-party aggregate rating, highest first. A vendor with no public rating is last, A to Z. The quiz stays fit-based and does not use this order.
Which Open source vendors are listed first?
As of 2026-10-17, the first names in the default order are LiveKit Agents, Agent Voice Response, Dograh.