7 agents tracked · Open-source-first, with limited public GitHub comparators · Ranked by trust score · Updated 2026-07-15 01:30 UTC
HVTracker independently evaluates 7 voice & conversational using daily signals from GitHub, package registries, and security databases. The category is open-source-first, with a limited set of public GitHub-hosted proprietary or source-available comparators when they are important ecosystem reference points. Each agent is scored on activity, adoption, transparency, safety, and identity. The top-ranked voice & conversational is LiveKit Agents with a trust score of 87.9/100 (Grade A). Other leading projects include Pipecat and AstrBot.
| # | Agent | Trust | Stars | Language |
|---|---|---|---|---|
| 1 | LiveKit Agents A Listed A framework for building realtime voice AI agents 🤖🎙️📹 | 87.9 | 11.4k | Python |
| 2 | Pipecat A Listed Open Source framework for voice and multimodal conversational AI | 83.2 | 13.4k | Python |
| 3 | AstrBot C Listed AI Agent Assistant & development framework that integrates lots of IM platforms, LLMs, plugins and AI feature, and can b | 64.7 | 36.3k | Python |
| 4 | TEN Framework C Listed Open-source framework for conversational voice AI agents | 59.4 | 10.9k | Python |
| 5 | Rasa C Listed 💬 Open source machine learning framework to automate text- and voice-based conversations: NLU, dialogue management, co | 57.0 | 21.2k | Python |
| 6 | Call Center AI D Listed Send a phone call from AI agent, in an API call. Or, directly call the bot from the configured phone number! | 47.6 | 6.5k | Python |
| 7 | Leon D Listed 🧠 Leon is your open-source personal assistant. | 38.4 | 17.4k | TypeScript |