AI Agents
Langgraph
Build resilient agents
★ 42.7k starsMIT
View guide →Apache framework for apps that make decisions: agents, chatbots, simulations.
burr is an open-source agents project by apache (apache/burr on GitHub). It has 2,566 GitHub stars and 199 forks, is released under the Apache-2.0 license, and was last updated on GitHub on 29 September 2026.
Model your app as states and transitions.
Attach logic to each state.
Execute on your own infrastructure.
Watch decisions with built-in tooling.
Explicit, debuggable agent logic.
Foundation-backed governance.
Your infrastructure, your data.
See every decision the app made.
State survives restarts.
Test decision flows safely.
Download the source and move into the project folder.
git clone https://github.com/apache/burr.git
cd burrEvery project documents its own setup; start with install requirements.
cat README.md | head -60Follow the project’s launch command — Docker, pip, npm, or a binary release.
# see README for the exact launch commandThe Apache Software Foundation, at apache/burr.
Yes. Apache-2.0 licensed.
Similar graph idea, with Apache governance and its own execution model.
Yes. It is a Python framework.
It is an Apache project built for real deployments.
Build resilient agents
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