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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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30 robots of 270

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

  • Photo on GitHub
    Robot arm

    Dummy Robotic Arm

    A compact smart robotic arm with 6 degrees of freedom, designed for educational and hobbyist use.

    • No license
    Level
    Intermediate
    Buildability
    35/100
    Incomplete documentation
    Cost
    ¥2,000≈ €267 (ECB rate, 14 Oct 2026)
  • No photo yet
    Robot arm

    Forge 1

    An open-source 6-DOF desktop robotic arm powered by NEMA 17 stepper motors.

    • Work in progress
    Level
    Intermediate
    Buildability
    35/100
    Incomplete documentation
    Cost
    Not stated
  • No photo yet
    Robot arm

    DoubiBot

    A writing robot based on ESP8266 that can perform manual timekeeping, weather forecasting, and function as a general-purpose robotic arm.

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

    Hand Exoskeleton for Climbing

    A pair of lockable exoskeleton gloves designed to save climbers' energy by locking fingers during climbing.

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

    UR5-like Robotic Arm

    A replica robotic arm based on the UR5 structure, featuring stepper motors, closed-loop control, and an Android app for interaction.

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

    OmniT-Hand

    A minimalist underactuated robotic hand with one motor per finger, achieving adaptive grasping for humanoid robots.

    Level
    Intermediate
    Buildability
    15/100
    Incomplete documentation
    Cost
    ¥1,230≈ €164 (ECB rate, 14 Oct 2026)

Robots 25–30 of 30

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