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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 15 Oct 2026. Robots without a known cost are hidden unless you include them.

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120 robots of 270

Page 3 of 5 · Ready to build first, then by buildability

  • Just1

    An open-source autonomous mecanum wheel robot for learning and experimentation that navigates manually or autonomously using a Lidar.

    WheeledIntermediateBuildability 55/100 · Buildable with some effort
    $250≈ €223 (ECB rate, 15 Oct 2026)

  • Kayra

    An easy to modify, 3D printable open-source humanoid robot evolved by the community that walks, lifts and can be simulated.

    HumanoidIntermediateBuildability 55/100 · Buildable with some effort
    Cost not stated

  • MABEL

    MABEL is an open-source legged balancing robot based on the Boston Dynamics Handle, with articulated legs that can adjust height and balance in multiple axes.

    OtherAdvancedBuildability 55/100 · Buildable with some effort
    Cost not stated

  • OpenBot

    A low-cost small electric vehicle body that uses an Android smartphone as its brain, supporting person following and autonomous navigation.

    WheeledIntermediateBuildability 55/100 · Buildable with some effort
    • Works with AI
    $50≈ €45 (ECB rate, 15 Oct 2026)

  • OpenPerseverance

    A 3D printed, remote controlled rover modeled on NASA's Perseverance Mars rover, built from open-source printable parts.

    WheeledAdvancedBuildability 55/100 · Buildable with some effort
    Cost not stated

  • SoftRobotETF

    A low-cost, modular open-source soft robotics platform with tendon-driven continuum robots controlled by force-feedback actuators over serial and I2C.

    OtherAdvancedBuildability 55/100 · Buildable with some effort
    Cost not stated

  • SpotMicro ESP32

    A 3D-printable quadruped robot dog with support-free printed parts, controlled by an ESP32-DevKitC with heavy computation offloaded to external devices.

    QuadrupedAdvancedBuildability 55/100 · Buildable with some effort
    Cost not stated

  • T-Robot

    A DIY omnidirectional mobile robot that supports 2D lidar mapping and autonomous navigation using Micro-ROS and ROS2.

    WheeledIntermediateBuildability 55/100 · Buildable with some effort
    Cost not stated

  • Watney

    Watney is a low-cost, 3D-printable, Raspberry Pi-based FPV telepresence rover with HD video and bi-directional audio.

    WheeledIntermediateBuildability 55/100 · Buildable with some effort
    Cost not stated

  • Borinot

    An open-source, torque-controlled aerial loco-manipulator whose extremity can be reconfigured as a tail for flight, a hand for manipulation, or a leg for hybrid aerial-contact locomotion.

    DroneAdvancedBuildability 51/100 · Buildable with some effort
    Cost not stated

  • AcroMonk

    A minimalist underactuated brachiating robot that swings along a horizontal ladder bar using one quasi-direct drive actuator and passive grippers.

    OtherAdvancedBuildability 50/100 · Buildable with some effort
    • Works with AI
    Cost not stated

  • Antagonistic Tendon Driven Continuum Robot

    A research continuum robot with 4 degrees of freedom that drives two tendons per antagonistic pair with a single servo and measures tendon force with load cells.

    OtherAdvancedBuildability 50/100 · Buildable with some effort
    Cost not stated

  • DengFOC Inverted Pendulum

    A low-cost, small inverted pendulum robot using DengFOC motor driver and SimpleFOC for balance control.

    OtherIntermediateBuildability 50/100 · Buildable with some effort
    Cost not stated

  • Desktop Robot Arm

    A compact 3D-printed desktop robot arm with a rotating base and gripper, controlled through a browser joystick over its own Wi-Fi access point.

    Robot armIntermediateBuildability 50/100 · Buildable with some effort
    Cost not stated

  • MCar

    A small Mecanum-wheel car controlled via Wi-Fi using an ESP01S microcontroller.

    WheeledIntermediateBuildability 50/100 · Buildable with some effort
    ¥40≈ €5 (ECB rate, 15 Oct 2026)

  • MindPaw

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

    QuadrupedIntermediateBuildability 50/100 · Buildable with some effort
    • Works with AI
    ¥50≈ €7 (ECB rate, 15 Oct 2026)

  • OpenRover

    A 3D-printed Mars Perseverance-style rover replica with a 6-wheel drive, 4-axis robotic arm, and remote control with touchscreen and web dashboard.

    WheeledAdvancedBuildability 50/100 · Buildable with some effort
    Cost not stated

  • Stack-chan

    A JavaScript-driven, super-kawaii desktop robot built on the M5Stack platform, with open-source firmware, MODs, and printable cases.

    OtherBeginnerBuildability 50/100 · Buildable with some effort
    • Works with AI
    Cost not stated

  • stoRPer

    A modular, adaptable all-wheel-drive rover built around a Raspberry Pi Pico board, with 3D-printed motor mounts and optional add-on bumpers and decks.

    WheeledIntermediateBuildability 50/100 · Buildable with some effort
    Cost not stated

  • Venus-1 Four-link Wheel-legged Robot

    A four-link wheel-legged robot designed for adaptive center of gravity, obstacle crossing, and jumping, controlled via STM32H723 with FreeRTOS.

    WheeledAdvancedBuildability 50/100 · Buildable with some effort
    Cost not stated

  • VLS-AGV

    An open-source, low-cost autonomous guided vehicle (AGV) with vertical linear stage capabilities and modular expansion for robotic arm integration.

    WheeledIntermediateBuildability 50/100 · Buildable with some effort
    Cost not stated

  • OpenKidCar (Ganbei No.1)

    An open-source AI-powered smart children's electric car designed for parent-child co-creation and maker education.

    OtherIntermediateBuildability 48/100 · Incomplete documentation
    • Work in progress
    • Works with AI
    Cost not stated

  • Atlas Rover Mk.1

    A desktop rover robot prototype with dual circular screens for facial expressions, voice interaction, and manual control.

    WheeledIntermediateBuildability 45/100 · Incomplete documentation
    • Work in progress
    • Works with AI
    Cost not stated

  • Balance Car

    A self-balancing robot car controlled via Bluetooth with STM32 and Android support.

    WheeledIntermediateBuildability 45/100 · Incomplete documentation
    Cost not stated

Robots 49–72 of 120

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