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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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30 robots of 270

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

  • 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.

    Robot armIntermediateBuildability 85/100 · Ready to build
    • Works with AI
    €218.28

  • 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.

    Robot armIntermediateBuildability 80/100 · Ready to build
    Cost not stated

  • 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.

    Robot armIntermediateBuildability 80/100 · Ready to build
    • Works with AI
    $414.21≈ €370 (ECB rate, 14 Oct 2026)

  • HumbleArm

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

    Robot armIntermediateBuildability 83/100 · Well documented, no license
    • No license
    ¥200≈ €27 (ECB rate, 14 Oct 2026)

  • Robotic Arm

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

    Robot armIntermediateBuildability 75/100 · Buildable with some effort
    ¥481≈ €64 (ECB rate, 14 Oct 2026)

  • U-Arm

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

    Robot armIntermediateBuildability 75/100 · Buildable with some effort
    • Works with AI
    $60≈ €54 (ECB rate, 14 Oct 2026)

  • Panther Robot Arm

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

    Robot armIntermediateBuildability 65/100 · Buildable with some effort
    Cost not stated

  • 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.

    Robot armIntermediateBuildability 60/100 · Buildable with some effort
    • Work in progress
    • Works with AI
    • No license
    Cost not stated

  • 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.

    Robot armIntermediateBuildability 60/100 · Buildable with some effort
    Cost not stated

  • Hand Exoskeleton

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

    Robot armIntermediateBuildability 60/100 · Buildable with some effort
    ¥500≈ €67 (ECB rate, 14 Oct 2026)

  • 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.

    Robot armIntermediateBuildability 60/100 · Buildable with some effort
    • Works with AI
    Cost not stated

  • ElectronBot

    A robotic arm that can be controlled via Python, with servo control, image transmission, and integration with Unity for 3D visualization.

    Robot armIntermediateBuildability 55/100 · Buildable with some effort
    Cost not stated

  • Arduinobot

    An open-source 3D printed robot arm powered by ROS 2, designed as a low-cost learning tool for manipulators.

    Robot armIntermediateBuildability 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

  • Dolphin Robot Arm

    A 3-degree-of-freedom desktop dolphin robot arm controlled via an STM32 microcontroller and a PS2 gamepad.

    Robot armIntermediateBuildability 45/100 · Incomplete documentation
    Cost not stated

  • H1 6-Axis 3D-Printed Manipulator

    A 6-axis 3D-printed robotic arm capable of understanding human commands and performing tasks.

    Robot armIntermediateBuildability 45/100 · Incomplete documentation
    Cost not stated

  • VEILINK Arm

    A 6-DOF robotic arm built with 3D-printed parts and Feetech STS3215 bus servos, controlled via LeRobot.

    Robot armIntermediateBuildability 45/100 · Incomplete documentation
    • Work in progress
    • Works with AI
    • No license
    Cost not stated

  • 6-DOF Articulated Robot Arm V1

    A low-cost, six-degree-of-freedom articulated robotic arm designed for education, research, and small-scale automation tasks.

    Robot armIntermediateBuildability 40/100 · Incomplete documentation
    Cost not stated

  • EEZYbotARM

    A four-axis, 3D-printable hobby robot arm controlled from Python and Arduino, with 3-D forward and inverse kinematics.

    Robot armIntermediateBuildability 40/100 · Incomplete documentation
    Cost not stated

  • Jyker Arm

    An open-source 3D-printed robotic arm with 5 degrees of freedom and a gripper.

    Robot armIntermediateBuildability 40/100 · Incomplete documentation
    • Works with AI
    • No license
    Cost not stated

  • Linco Robot Arm

    A desktop robotic arm designed for easy 3D printing with minimal parts, featuring a 3D-printed structure and basic electronic components.

    Robot armIntermediateBuildability 40/100 · Incomplete documentation
    • No license
    Cost not stated

  • X-Bot

    A tiny open-source writing robot arm designed for AI drawing applications.

    Robot armIntermediateBuildability 40/100 · Incomplete documentation
    • No license
    Cost not stated

  • BetaBots Robot Arm

    A 3D-printable robot arm, current version V4 (Green), designed for printing and assembly by hobbyists.

    Robot armIntermediateBuildability 35/100 · Incomplete documentation
    Cost not stated

Robots 1–24 of 30

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