Copper – Open-source robotics in Rust with deterministic log replay
Copper is an operating system for robots - build, run, and replay your entire robot deterministically. - Home · copper-project/copper-rs Wiki
Copper – Open-source robotics in Rust with deterministic log replay launched on December 3, 2024 with 161 votes, #263 of 5,365 launches that month and more than 95% of that year's launches. The site was still online in September 2026, 1 year on.
In plain words
Copper is an open-source robotics framework written in Rust that enables deterministic log replay for robotic systems. It is designed for developers building robotics applications who need reliable debugging and testing capabilities. The framework stands out by allowing engineers to record robot behavior and replay it deterministically, which helps identify and fix issues in complex robotic systems without requiring live hardware testing each time.
written from the facts on this page · September 2026
From the sources
Copper is a deterministic robotics runtime written in Rust. Think of it as a "game engine for robots": describe your system declaratively and Copper will create a custom scheduler and run it deterministically from cloud simulation down to embedded controllers. Ready to get started? Check out the README or jump into Build and Deploy a Copper Applicationfrom github.com
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