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Open-source robots with their licenses, parts and source files. Every page is pinned to a commit on GitHub.

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Ready to build: a score of 80 or more, a license and a finished design.

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Where the project was published, known for 29 of 270 robots. Never guessed.

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Guides machine-translated into English by Robotheca, with a link to the original on each robot page.

37 of 270 robots state a cost. Costs in other currencies are compared using the ECB reference rate of 14 Oct 2026. Robots without a known cost are hidden unless you include them.

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270 robots

Page 2 of 12 · Ready to build first, then by buildability

  • Spot Micro - Leika

    An open-source ESP32-based quadruped robot with a web-based controller and a MuJoCo simulator.

    QuadrupedAdvancedBuildability 70/100 · Buildable with some effort
    Cost not stated

  • JetRacer

    An autonomous AI racecar built on the NVIDIA Jetson Nano that moves at high speeds and follows roads using neural networks.

    Self-driving 1:10IntermediateBuildability 69/100 · Buildable with some effort
    • Works with AI
    Cost not stated

  • PAROL6

    A 6-axis 3D-printed desktop robot arm with stepper motors, gearboxes and belts, modelled on industrial arms, with its own control firmware.

    Robot armAdvancedBuildability 69/100 · Buildable with some effort
    Cost not stated

  • Balancio-Kit

    An ultra-low-cost self-balancing robot that can run a neural network to stay balanced and be controlled wirelessly, built for teaching RL, ML, AI and control.

    OtherIntermediateBuildability 65/100 · Buildable with some effort
    • Works with AI
    Cost not stated

  • Dual Scorpion

    A 7-DOF dual-arm bimanual robot platform derived from the SO-101 design, with matching leader arms for teleoperation.

    Robot armAdvancedBuildability 65/100 · Buildable with some effort
    • Works with AI
    $486.88≈ €435 (ECB rate, 14 Oct 2026)

  • Panther Robot Arm

    A low-cost six-axis robotic arm using DAMIAO motors and sheet metal structural parts, designed for students and hobbyists.

    Robot armIntermediateBuildability 65/100 · Buildable with some effort
    Cost not stated

  • Poppy Humanoid

    An open-source, 3D printed humanoid robot designed for research and education, with modular parts for many applications and experiments.

    HumanoidAdvancedBuildability 65/100 · Buildable with some effort
    $8,000≈ €7,146 (ECB rate, 14 Oct 2026)

  • Quadruped Bai Servo v1

    A low-cost 12-DOF quadruped robot actuated by hobby servos, with optional feet sensors and a trot gait firmware.

    QuadrupedIntermediateBuildability 65/100 · Buildable with some effort
    Cost not stated

  • RC WheelLeg

    A 16-degree-of-freedom wheeled-legged robot designed for Robocon obstacle courses, combining reinforcement learning, MuJoCo simulation, and real-world deployment.

    WheeledAdvancedBuildability 65/100 · Buildable with some effort
    • Works with AI
    Cost not stated

  • Sesame Robot

    An open and affordable ESP32-based mini quadruped robot with an OLED face that walks, waves and dances.

    QuadrupedBeginnerBuildability 65/100 · Buildable with some effort
    Cost not stated

  • YAO

    A 7-DOF personal robotic arm with ROS-based simulation and control.

    Robot armAdvancedBuildability 65/100 · Buildable with some effort
    Cost not stated

  • SUPER MAV

    A safety-assured high-speed navigation micro aerial vehicle (MAV) with modular hardware components for research and development.

    DroneAdvancedBuildability 64/100 · Buildable with some effort
    Cost not stated

  • Mockway Robot

    An open-source 6-DOF collaborative robotic arm system with mechanical structure, electronics, and software.

    Robot armAdvancedBuildability 63/100 · Buildable with some effort
    Cost not stated

  • 6-DOF Robotic Arm

    An open-source 6-degree-of-freedom robotic arm designed for simulation, kinematics research, and reinforcement learning-based end-effector control.

    Robot armIntermediateBuildability 60/100 · Buildable with some effort
    • Work in progress
    • Works with AI
    • No license
    Cost not stated

  • Arduino SimpleFOC Balancer

    A modular two-wheel self-balancing robot driven by gimbal BLDC motors and the SimpleFOC library.

    OtherAdvancedBuildability 60/100 · Buildable with some effort
    Cost not stated

  • CamBot

    A 6-DOF camera arm with a ZED Mini stereo camera that streams video to a WebXR VR headset and follows head tracking for teleoperation.

    Robot armIntermediateBuildability 60/100 · Buildable with some effort
    Cost not stated

  • Hand Exoskeleton

    A low-cost 6DoF hand exoskeleton using linkage and tendon mechanisms, controlled by an ESP32 and seven SC09 bus servos.

    Robot armIntermediateBuildability 60/100 · Buildable with some effort
    ¥500≈ €67 (ECB rate, 14 Oct 2026)

  • HighTorque-MiniDog

    An open-source desktop quadruped robot featuring high-torque HTDW4438 motors, URDF models, and real-machine SDK for development and Sim2Real integration.

    QuadrupedIntermediateBuildability 60/100 · Buildable with some effort
    • No license
    Cost not stated

  • M5Stack Walk-chan

    A small bipedal walking robot controlled by an M5Stack board, with a sliding battery that shifts its balance between legs.

    OtherIntermediateBuildability 60/100 · Buildable with some effort
    Cost not stated

  • NormaCore

    NormaCore is a unified open-source toolkit and platform for developing and operating physical systems, including a 7+1 DoF 3D-printed robotic arm (ElRobot) and a desk lamp.

    Robot armIntermediateBuildability 60/100 · Buildable with some effort
    • Works with AI
    Cost not stated

  • RAVEN

    A 3-DOF robotic manipulator arm built on quasi-direct-drive actuators, with CAD, URDF and 3D-printable parts.

    Robot armAdvancedBuildability 60/100 · Buildable with some effort
    Cost not stated

  • Sawppy the Rover

    A motorized model of Mars rovers Curiosity and Perseverance that reproduces Rocker-Bogie suspension, built with 3D-printed parts and serial bus servo wheels.

    WheeledIntermediateBuildability 60/100 · Buildable with some effort
    $500≈ €447 (ECB rate, 14 Oct 2026)

  • SimpleFOC Balance Car

    A self-balancing robot car driven by two BLDC motors using the SimpleFOC library and ESP32 microcontroller.

    WheeledIntermediateBuildability 60/100 · Buildable with some effort
    Cost not stated

  • WheelLeg FullStack Challenge Robot

    A four-bar linkage wheel-leg robot designed for a full-stack robotics development challenge using ROS 2, CAD, and embedded systems.

    OtherAdvancedBuildability 60/100 · Buildable with some effort
    • Work in progress
    Cost not stated

Robots 25–48 of 270

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