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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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22 robots of 270

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

  • Other

    Hexapod

    A six-legged hexapod robot built from 3D-printed parts, driven by 18 MG996 servos and controlled by a Raspberry Pi 5 with a Servo2040 board.

    Level
    Advanced
    Buildability
    71/100
    Buildable with some effort
    Cost
    €280
  • Other

    Arduino SimpleFOC Balancer

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

    Level
    Advanced
    Buildability
    60/100
    Buildable with some effort
    Cost
    Not stated
  • No photo yet
    Other

    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.

    • Work in progress
    Level
    Advanced
    Buildability
    60/100
    Buildable with some effort
    Cost
    Not stated
  • Other

    Balance Ball

    A spherical robot that balances and maneuvers in three degrees of freedom using three orthogonal flywheels and a omnidirectional wheel base.

    Level
    Advanced
    Buildability
    55/100
    Buildable with some effort
    Cost
    ¥1,000≈ €133 (ECB rate, 14 Oct 2026)
  • Other

    Dagor Biped

    A low-cost, easy-to-print biped robot hardware design remixed from the Open Robot Dynamic Initiative Bolt robot, controlled by the Dagor brushless motor control module.

    Level
    Advanced
    Buildability
    55/100
    Buildable with some effort
    Cost
    Not stated
  • Other

    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.

    Level
    Advanced
    Buildability
    55/100
    Buildable with some effort
    Cost
    Not stated
  • Other

    SoftRobotETF

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

    Level
    Advanced
    Buildability
    55/100
    Buildable with some effort
    Cost
    Not stated
  • Other

    AcroMonk

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

    • Works with AI
    Level
    Advanced
    Buildability
    50/100
    Buildable with some effort
    Cost
    Not stated
  • Other

    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.

    Level
    Advanced
    Buildability
    50/100
    Buildable with some effort
    Cost
    Not stated
  • Other

    Hexapod v2 (Linkit 7697)

    A six-legged hexapod robot with 18 servo joints, controlled from a mobile phone over Bluetooth Low Energy by a Linkit 7697 board.

    Level
    Advanced
    Buildability
    45/100
    Incomplete documentation
    Cost
    Not stated
  • Photo on GitHub
    Other

    LZU Ascento

    A two-wheeled, four-bar-linkage wheel-leg balancing robot modeled on the ASCENTO, controlled with LQR on an STM32H723 board.

    • No license
    Level
    Advanced
    Buildability
    45/100
    Incomplete documentation
    Cost
    Not stated
  • Other

    ZeroBug

    A 3D-printed micro-servo hexapod robot controlled by a Raspberry Pi Zero, with an STM32F103 handling leg locomotion and inverse kinematics for its 18 servos.

    Level
    Advanced
    Buildability
    45/100
    Incomplete documentation
    Cost
    Not stated
  • Photo on GitHub
    Other

    Tdrone

    An open-source coaxial twin-rotor drone (helicopter-style swashplate control) that can be 3D printed and rebuilt by hobbyists.

    • No license
    Level
    Advanced
    Buildability
    40/100
    Incomplete documentation
    Cost
    Not stated
  • Other

    TipTap

    A 3D-printed bipedal robot built as a low-cost desktop platform for semi-direct drive walking research.

    Level
    Advanced
    Buildability
    40/100
    Incomplete documentation
    Cost
    Not stated
  • No photo yet
    Other

    Upkie

    Open-source wheeled biped robot with wheels for balance and legs for uneven terrain, controllable in simulation and on hardware.

    Level
    Advanced
    Buildability
    40/100
    Incomplete documentation
    Cost
    Not stated
  • Photo on GitHub
    Other

    Wheel-legged Robot (Balance Leg V2)

    A wheel-legged balancing robot with leg-joint motors and hub-wheel motors, controlled by a custom STM32H723 board using LQR and VMC.

    • No license
    Level
    Advanced
    Buildability
    35/100
    Incomplete documentation
    Cost
    Not stated
  • No photo yet
    Other

    Wheelbot

    A jumping reaction wheel unicycle robot that balances on a single wheel and can jump.

    Level
    Advanced
    Buildability
    35/100
    Incomplete documentation
    Cost
    Not stated
  • Other

    ZGPS-01

    A transformable robot that switches between a spherical rolling mode and a hexapod walking mode.

    Level
    Advanced
    Buildability
    35/100
    Incomplete documentation
    Cost
    Not stated
  • No photo yet
    Other

    ALARIS Hand

    An open-source 6-DOF anthropomorphic robotic hand with linkage-based fingers and worm-and-rack transmissions, intended as a low-cost platform for research and education.

    Level
    Advanced
    Buildability
    30/100
    Incomplete documentation
    Cost
    Not stated
  • Other

    Stepping Balancer

    A two-wheeled inverted pendulum robot controlled by a Nucleo board and driven by stepper motors.

    Level
    Advanced
    Buildability
    25/100
    Incomplete documentation
    Cost
    Not stated
  • No photo yet
    Other

    Zhuge Liang Four-Wheel Car Kart Hardware

    Open-source electronics hardware for a kart entry in the 21st Intelligent Car Competition provincial round, designed in LCEDA Pro.

    Level
    Advanced
    Buildability
    20/100
    Incomplete documentation
    Cost
    Not stated
  • No photo yet
    Other

    105 underwater robot (sea version)

    An underwater robot made by team 105, sea version: its control programs and the circuit boards of the main board and the power compartment.

    • No license
    Level
    Advanced
    Buildability
    5/100
    Incomplete documentation
    Cost
    Not stated

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