Open-Source & DIY

Community-built, open-source robot hardware and software — low-cost arms, legged robots, and learning frameworks that lower the barrier to entry for robotics research and hobbyist builds.

ProjectCategoryCreatorCostRepo / docs
SO-101 (SO-ARM101)

A low-cost, 3D-printable 6-DOF robot arm designed to work with Hugging Face's open-source LeRobot library, aimed at making robot learning research accessible on a consumer desktop.

Robot armHugging Face (LeRobot) / TheRobotStudio~$130–240 depending on kitRepo / docs
Open Duck Mini (v2)

An open-source, 3D-printable mini bipedal robot inspired by Disney's BDX droid, built as an accessible platform for reinforcement learning and sim-to-real experiments.

Bipedal robotAntoine Piron~$400 in componentsRepo / docs