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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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161 robots of 270

Page 1 of 7 · Ready to build first, then by buildability

  • Wheeled

    LeKiwi

    A low-cost mobile manipulator, a 3D-printed omnidirectional base carrying an SO-101 arm, a Raspberry Pi 5 and cameras, for LeRobot teleoperation.

    • Works with AI
    Level
    Intermediate
    Buildability
    90/100
    Ready to build
    Cost
    €537.65
  • No photo yet
    Other

    Open Duck Mini v2

    A 3D-printed bipedal robot about 42 cm tall, inspired by Disney's BDX droids, that walks with reinforcement-learning policies trained in MuJoCo.

    • Works with AI
    Level
    Intermediate
    Buildability
    85/100
    Ready to build
    Cost
    Not stated
  • Robot arm

    PingTi Arm

    A low-cost, human-arm-scale open-source robotic arm compatible with Lerobot, based on the SO-100 arm, with a 600mm span and up to 500g payload.

    • Works with AI
    Level
    Intermediate
    Buildability
    85/100
    Ready to build
    Cost
    €218.28
  • Robot arm

    Giraffe

    A cost-effective, ROS2-compatible 5-DoF robotic manipulator with a leader-follower teleoperation setup, designed to lower the barrier to entry for Embodied AI.

    Level
    Intermediate
    Buildability
    80/100
    Ready to build
    Cost
    Not stated
  • Robot arm

    SO-ARM 102

    An open-source leader and follower robot arm kit with 5 degrees of freedom plus a gripper, for teleoperation and imitation learning.

    • Works with AI
    Level
    Intermediate
    Buildability
    80/100
    Ready to build
    Cost
    $414.21≈ €370 (ECB rate, 14 Oct 2026)
  • Photo on GitHub
    Robot arm

    HumbleArm

    A low-cost desktop 6-DOF robotic arm controlled via ROS, using Arduino UNO, an I2C servo driver, and six servos.

    • No license
    Level
    Intermediate
    Buildability
    83/100
    Well documented, no license
    Cost
    ¥200≈ €27 (ECB rate, 14 Oct 2026)
  • Other

    Koriobots

    A toolkit for cable-driven robots that move objects through the air, built from 3D-printed cable drums on industrial servo motors, made for art installations.

    Level
    Intermediate
    Buildability
    78/100
    Buildable with some effort
    Cost
    $972.06≈ €868 (ECB rate, 14 Oct 2026)
  • Wheeled

    JPL Open Source Rover

    A build-it-yourself, six-wheeled rover scaled down from the JPL Mars rover design, made from consumer off-the-shelf parts.

    Level
    Intermediate
    Buildability
    75/100
    Buildable with some effort
    Cost
    $90.80≈ €81 (ECB rate, 14 Oct 2026)
  • Robot arm

    Robotic Arm

    An open-source robotic arm controlled by an ESP32-C3 via a PCA9685 servo driver and an Xbox-compatible gamepad.

    Level
    Intermediate
    Buildability
    75/100
    Buildable with some effort
    Cost
    ¥481≈ €64 (ECB rate, 14 Oct 2026)
  • Robot arm

    U-Arm

    A low-cost, universal leader-follower teleoperation system for commercial robot arms with plug-and-play hardware configurations.

    • Works with AI
    Level
    Intermediate
    Buildability
    75/100
    Buildable with some effort
    Cost
    $60≈ €54 (ECB rate, 14 Oct 2026)
  • Home

    HomeBot

    A lightweight home robot with modular architecture, supporting remote control, voice interaction, and human following.

    • Work in progress
    • Works with AI
    Level
    Intermediate
    Buildability
    70/100
    Buildable with some effort
    Cost
    Not stated
  • No photo yet
    Self-driving 1:10

    JetRacer

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

    • Works with AI
    Level
    Intermediate
    Buildability
    69/100
    Buildable with some effort
    Cost
    Not stated
  • Other

    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.

    • Works with AI
    Level
    Intermediate
    Buildability
    65/100
    Buildable with some effort
    Cost
    Not stated
  • No photo yet
    Robot arm

    Panther Robot Arm

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

    Level
    Intermediate
    Buildability
    65/100
    Buildable with some effort
    Cost
    Not stated
  • Quadruped

    Quadruped Bai Servo v1

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

    Level
    Intermediate
    Buildability
    65/100
    Buildable with some effort
    Cost
    Not stated
  • No photo yet
    Robot arm

    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.

    • Work in progress
    • Works with AI
    • No license
    Level
    Intermediate
    Buildability
    60/100
    Buildable with some effort
    Cost
    Not stated
  • Robot arm

    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.

    Level
    Intermediate
    Buildability
    60/100
    Buildable with some effort
    Cost
    Not stated
  • Robot arm

    Hand Exoskeleton

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

    Level
    Intermediate
    Buildability
    60/100
    Buildable with some effort
    Cost
    ¥500≈ €67 (ECB rate, 14 Oct 2026)
  • Photo on GitHub
    Quadruped

    HighTorque-MiniDog

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

    • No license
    Level
    Intermediate
    Buildability
    60/100
    Buildable with some effort
    Cost
    Not stated
  • Other

    M5Stack Walk-chan

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

    Level
    Intermediate
    Buildability
    60/100
    Buildable with some effort
    Cost
    Not stated
  • Robot arm

    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.

    • Works with AI
    Level
    Intermediate
    Buildability
    60/100
    Buildable with some effort
    Cost
    Not stated
  • Wheeled

    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.

    Level
    Intermediate
    Buildability
    60/100
    Buildable with some effort
    Cost
    $500≈ €447 (ECB rate, 14 Oct 2026)
  • No photo yet
    Wheeled

    SimpleFOC Balance Car

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

    Level
    Intermediate
    Buildability
    60/100
    Buildable with some effort
    Cost
    Not stated
  • Quadruped

    4T-POM-X4

    An open-source 12-degree-of-freedom quadruped robot designed for learning, development, and secondary innovation.

    Level
    Intermediate
    Buildability
    55/100
    Buildable with some effort
    Cost
    Not stated

Robots 1–24 of 161

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