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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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26 robots of 270

Page 1 of 2 · Ready to build first, then by buildability

  • 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
  • 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
  • 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
  • Quadruped

    MindPaw

    A desktop quadruped robot based on ESP8266 with voice control, gesture recognition, web remote, and AI conversation.

    • Works with AI
    Level
    Intermediate
    Buildability
    50/100
    Buildable with some effort
    Cost
    ¥50≈ €7 (ECB rate, 14 Oct 2026)
  • No photo yet
    Quadruped

    Hexapod Robot

    A six-legged robot powered by a Raspberry Pi Pico, featuring 18 digital servos, IMU auto-leveling, and multiple control inputs.

    • Work in progress
    Level
    Intermediate
    Buildability
    49/100
    Incomplete documentation
    Cost
    Not stated
  • Quadruped

    Hyun

    A wheeled-legged robot controlled by an ESP32, featuring an MPU6050 gyroscope, PM3510 brushless motors, and SimpleFOC drivers.

    Level
    Intermediate
    Buildability
    45/100
    Incomplete documentation
    Cost
    Not stated
  • Photo on GitHub
    Quadruped

    Spider Robot

    A six-legged robot controlled by a Raspberry Pi with remote control and vision capabilities.

    • No license
    Level
    Intermediate
    Buildability
    45/100
    Incomplete documentation
    Cost
    Not stated
  • Quadruped

    12-DOF Quadruped Robot

    A 12-DOF quadruped robot driven by servos, featuring open-loop gait control and IMU stabilization.

    Level
    Intermediate
    Buildability
    40/100
    Incomplete documentation
    Cost
    Not stated
  • Quadruped

    Hexapod Robot

    A six-legged walking robot with inverse kinematics control and a PC-based interface for movement and posture adjustments.

    Level
    Intermediate
    Buildability
    40/100
    Incomplete documentation
    Cost
    Not stated
  • Quadruped

    Mini Pupper

    An open-source, ROS-based quadruped robot dog designed for education and research, supporting SLAM, navigation, and OpenCV AI features.

    • Works with AI
    Level
    Intermediate
    Buildability
    40/100
    Incomplete documentation
    Cost
    $500≈ €447 (ECB rate, 14 Oct 2026)
  • Photo on GitHub
    Quadruped

    NodeHexa

    An open-source ESP32-based six-legged robot with Web control, calibration, performance motions, motion sequences and optional voice interaction.

    • Works with AI
    • No license
    Level
    Intermediate
    Buildability
    40/100
    Incomplete documentation
    Cost
    Not stated
  • Quadruped

    Quadruped Robot

    A four-legged robot designed for research and education in legged locomotion.

    Level
    Intermediate
    Buildability
    40/100
    Incomplete documentation
    Cost
    Not stated
  • Quadruped

    Easy Quadruped Robot

    A simple quadruped robot controlled by Arduino and optionally ESP32-CAM for vision.

    Level
    Intermediate
    Buildability
    35/100
    Incomplete documentation
    Cost
    Not stated
  • Photo on GitHub
    Quadruped

    PiHexa V1

    A hexapod robot powered by Raspberry Pi Zero 2 W and controlled using Python, featuring 18 servo motors and remote operation via Bluetooth.

    • No license
    Level
    Intermediate
    Buildability
    35/100
    Incomplete documentation
    Cost
    Not stated
  • No photo yet
    Quadruped

    Py-Apple BLDC Quadruped Robot

    An open-source quadruped robot using BLDC motors with FOC control for dynamic movement.

    • Work in progress
    Level
    Intermediate
    Buildability
    35/100
    Incomplete documentation
    Cost
    Not stated
  • Quadruped

    Py-Apple Dog

    An open-source quadruped robot designed for easy DIY with low-cost hardware and software.

    Level
    Intermediate
    Buildability
    35/100
    Incomplete documentation
    Cost
    Not stated
  • No photo yet
    Quadruped

    Py-Apple Structure Quadruped

    An open-source quadruped robot mechanical structure designed to support the Py-Apple Controller and Py-Apple Dynamics software.

    Level
    Intermediate
    Buildability
    35/100
    Incomplete documentation
    Cost
    Not stated
  • No photo yet
    Quadruped

    STM32 Quadruped Robot

    A quadruped robot controlled by an STM32F103C8T6 microcontroller, capable of walking forward, backward, and lifting its legs.

    Level
    Intermediate
    Buildability
    35/100
    Incomplete documentation
    Cost
    Not stated
  • No photo yet
    Quadruped

    Flash Cat

    A compact quadruped robot designed as a desk pet, featuring FreeRTOS-based control, tomato timer, expression display, and interactive motions like walking, turning, waving, and bowing.

    Level
    Intermediate
    Buildability
    30/100
    Incomplete documentation
    Cost
    Not stated
  • No photo yet
    Quadruped

    HCRT-DOG

    An open-source parallel four-legged robot with eight motors designed to achieve four gaits from slow to fast.

    Level
    Intermediate
    Buildability
    30/100
    Incomplete documentation
    Cost
    Not stated
  • Photo on GitHub
    Quadruped

    NodeQuad V1

    A spider quadruped robot controlled via Wi-Fi using NodeMCU-32S (ESP32) and MicroPython.

    • No license
    Level
    Intermediate
    Buildability
    30/100
    Incomplete documentation
    Cost
    Not stated
  • Photo on GitHub
    Quadruped

    OLDX-MocoMoco Quadruped

    An open-source 8-DOF quadruped robot platform for research and SLAM algorithm validation, featuring virtual model control and multiple gaits.

    • No license
    Level
    Intermediate
    Buildability
    30/100
    Incomplete documentation
    Cost
    Not stated
  • Photo on GitHub
    Quadruped

    Little Doggy Run

    An open-source quadruped robot designed for walking and running, featuring a five-bar linkage leg mechanism.

    • No license
    Level
    Intermediate
    Buildability
    25/100
    Incomplete documentation
    Cost
    Not stated
  • Photo on GitHub
    Quadruped

    Moco-8

    An open-source 8-degree-of-freedom quadruped robot platform with full hardware and software documentation.

    • No license
    Level
    Intermediate
    Buildability
    25/100
    Incomplete documentation
    Cost
    Not stated

Robots 1–24 of 26

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