Voice & Conversational
11 agents tracked · Open-source-first, with limited public GitHub comparators · Ranked by trust score · Updated 2026-08-11 20:02 UTC
HVTracker independently evaluates 11 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 91.8/100 (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 🤖🎙️📹 | 91.8 | 12.9k | Python |
| 2 | Pipecat A Listed Open Source framework for voice agents, multimodal apps, and realtime AI. Maintained by Daily and the community. | 84.0 | 14.1k | Python |
| 3 | AstrBot C Listed AI Agent Assistant & development framework that integrates lots of IM platforms, LLMs, plugins and AI feature, and can b | 64.5 | 39.0k | Python |
| 4 | TEN Framework C Listed Open-source framework for conversational voice AI agents | 61.0 | 11.0k | Python |
| 5 | Rasa C Listed 💬 Open source machine learning framework to automate text- and voice-based conversations: NLU, dialogue management, co | 59.9 | 21.3k | Python |
| 6 | Bolna C Listed Conversational voice AI agents | 55.1 | 728 | Python |
| 7 | 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! | 48.0 | 6.6k | Python |
| 8 | Leon D Listed 🧠 Leon is your open-source personal assistant. | 39.8 | 17.4k | TypeScript |
| 9 | py-xiaozhi D Listed Open-source AI assistant ecosystem with MCP integrations, multimodal workflows, IoT support, and cross-platform voice in | 24.6 | 3.4k | Python |
| 10 | MaiBot D Listed MaiSaka, an LLM-based intelligent agent, is a digital lifeform devoted to understanding you and interacting in the style | 23.5 | 5.7k | Python |
| 11 | open-claude-tag D Listed Self-hostable channel-native AI teammate for Slack. Open source alternative to Claude Tag. LLM-agnostic. | 17.6 | 911 | Python |
Grade = trust band: A ≥ 80, B ≥ 65, C ≥ 50, D < 50 — methodology