Best AI Agent Frameworks

The agent engineering platform.

AutoGPT is the vision of accessible AI for everyone, to use and to build on. Our mission is to provide the tools, so that you can focus on what matters.

Framework for orchestrating role-playing, autonomous AI agents. By fostering collaborative intelligence, CrewAI empowers agents to work together seamlessly, tackling complex tasks.

Fast, efficient, battle-tested at Alibaba's scale. Hybrid architecture code review tool: deterministic pipelines + LLM Agent, precise line-level comments, built-in multi-language ruleset (NPE, thread-safety, XSS, SQL injection), OpenAI & Anthropic compatible.

Build and run agents you can see, understand and trust.

A framework for building realtime voice AI agents 🤖🎙️📹

Omnigent is an open-source AI agent framework and meta-harness: orchestrate Claude Code, Codex, Cursor, Pi, and custom agents — swap harnesses without rewriting, enforce policies and sandboxing, and collaborate in real time from any device.

The context API to search, scrape, and interact with the web at scale. 🔥

Makes your AI agent think like the laziest senior dev in the room. The best code is the code you never wrote.

Open-source 24/7 Cowork app for OpenClaw, Hermes, Claude Code, Codex, OpenCode and 20+ more CLI Agent | Customize your assistants | Team them up｜Star if you like it!

An agentic skills framework & software development methodology that works.

Open Source framework for voice agents, multimodal apps, and realtime AI. Maintained by Daily and the community.