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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.

Guide translated from

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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17 robots of 270

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

  • Photo on GitHub
    Robot arm

    reBot DevArm B601-DM

    A 6-axis desktop robot arm with a gripper, made of CNC aluminium and 3D-printed parts and driven by CAN bus motors, for robot learning and research.

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

    PAR6 Collaborative Robot Arm

    A 3D-printed collaborative robot arm for research, education and rapid prototyping in physical AI.

    • Works with AI
    Level
    Advanced
    Buildability
    78/100
    Buildable with some effort
    Cost
    Not stated
  • Robot arm

    EL-A3

    A 7-DOF desktop robotic arm with a Python SDK and ROS2 control system for research and education.

    Level
    Advanced
    Buildability
    75/100
    Buildable with some effort
    Cost
    Not stated
  • Robot arm

    PAROL6

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

    Level
    Advanced
    Buildability
    69/100
    Buildable with some effort
    Cost
    Not stated
  • No photo yet
    Robot arm

    Dual Scorpion

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

    • Works with AI
    Level
    Advanced
    Buildability
    65/100
    Buildable with some effort
    Cost
    $486.88≈ €435 (ECB rate, 14 Oct 2026)
  • Robot arm

    YAO

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

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

    Mockway Robot

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

    Level
    Advanced
    Buildability
    63/100
    Buildable with some effort
    Cost
    Not stated
  • Robot arm

    RAVEN

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

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

    AIRA

    A 3D-printable 7-DoF robotic arm with native LeRobot integration for teleoperation, demonstration recording, and policy training.

    • Works with AI
    Level
    Advanced
    Buildability
    57/100
    Buildable with some effort
    Cost
    €2,000
  • Robot arm

    DIY Delta robot

    A DIY delta-type parallel robot controlled from a Python application with live kinematics visualization and Bluetooth connection.

    Level
    Advanced
    Buildability
    45/100
    Incomplete documentation
    Cost
    Not stated
  • No photo yet
    Robot arm

    Sixi 2 Robot Arm

    An open source six degree of freedom industrial robot arm that can hold 2kg at 80cm.

    Level
    Advanced
    Buildability
    45/100
    Incomplete documentation
    Cost
    Not stated
  • Robot arm

    ALTO 3D Printed 6 Axis Robotic Arm

    A 3D printed desktop high precision 6 axis robotic arm controlled over USB with a Python API.

    Level
    Advanced
    Buildability
    40/100
    Incomplete documentation
    Cost
    $400≈ €357 (ECB rate, 14 Oct 2026)
  • Robot arm

    SCARA Parallel

    A parallel SCARA robotic arm designed for graduation project, featuring closed-loop stepper motors, harmonic reducers, carbon fiber rods, 3D-printed joints, and motion control with linear interpolatio

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

    MickRobot

    An open-source single-arm mobile robot that adds a 7-degree-of-freedom arm to a mobile chassis for grasping and carrying tasks in complex environments.

    • No license
    Level
    Advanced
    Buildability
    35/100
    Incomplete documentation
    Cost
    Not stated
  • Robot arm

    RR1: Real Robot One

    A DIY 3D-printable 6-axis desktop robotic arm with closed-loop encoders on each joint, driven by Nema 23 and Nema 17 stepper motors and custom planetary gearboxes.

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

    Ruishi modular exoskeleton

    The Ruishi modular exoskeleton: joint and slip-ring modules, the hardware and joint-motor lists, and installation examples.

    Level
    Advanced
    Buildability
    30/100
    Incomplete documentation
    Cost
    Not stated
  • No photo yet
    Robot arm

    Panthera-HT

    Mechanical model and parts list of HighTorque's Panthera-HT robot arm: SolidWorks 2024 sources, STEP files and a BOM spreadsheet.

    Level
    Advanced
    Buildability
    20/100
    Incomplete documentation
    Cost
    Not stated

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