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Open-source robots with their licenses, parts and source files. Every page is pinned to a commit on GitHub.

Robots, the body: the machines you build: 3D-printed parts, motors and electronics. What's the difference?

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Ready to build: a score of 80 or more, a license, a finished design, a known cost and a real photo of it built.

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Where the project was published, known for 63 of 491 robots. Never guessed.

Guide translated from

Guides machine-translated into English by Robotheca, with a link to the original on each robot page.

100 of 491 robots state a cost. Costs in other currencies are compared using the ECB reference rate of 5 Nov 2026. Robots without a known cost are hidden unless you include them.

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53 robots of 491

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  • No photo yet

    Open source · free files

    EWU ASME SDC 2026 Robot

    Other · Advanced

    Score
    Buildability 75 out of 100
    Cost
    $97≈ €86

  • Open source · free files

    OpenBot

    Wheeled · Intermediate

    Score
    Buildability 75 out of 100
    Cost
    $50≈ €45+ your smartphone (not included)

  • Open source · free files

    U-Arm

    Robot arm · Intermediate

    Score
    Buildability 75 out of 100
    Cost
    $60≈ €53
  • 3D render

    Open source · free files

    K2 Biped

    Other · Advanced

    Score
    Buildability 70 out of 100
    Cost
    $320.52≈ €286

  • Open source · free files

    LeLamp

    Home · Intermediate

    Score
    Buildability 70 out of 100
    Cost
    $260≈ €232

  • Open source · free files

    Balance Ball

    Other · Advanced

    Score
    Buildability 69 out of 100
    Cost
    ¥1,000≈ €134
  • 3D render

    Open source · free files

    LogoBot

    Wheeled · Intermediate

    Score
    Buildability 69 out of 100
    Cost
    £20≈ €24
  • No photo yet

    Open source · free files

    Niko

    Quadruped · Beginner

    Score
    Buildability 69 out of 100
    Cost
    under $10≈ up to €9

  • Open source · free files

    PlayBot

    Home · Intermediate

    Score
    Buildability 69 out of 100
    Cost
    $100–$120≈ up to €107

  • Open source · free files

    RoboPrime

    Humanoid · Advanced

    Score
    Buildability 69 out of 100
    Cost
    $60≈ €53

  • Open source · free files

    Shoggoth Mini

    Other · Advanced

    Score
    Buildability 65 out of 100
    Cost
    under $200≈ up to €178

  • Open source · free files

    MCar

    Wheeled · Intermediate

    Score
    Buildability 63 out of 100
    Cost
    ¥40≈ €5
  • No photo yet

    Open source · free files

    MindPaw

    Quadruped · Intermediate

    Score
    Buildability 63 out of 100
    Cost
    ¥50≈ €7

  • Open source · free files

    NormaCore

    Robot arm · Intermediate

    Score
    Buildability 63 out of 100
    Cost
    $220≈ €196
  • No photo yet

    Open source · free files

    Nova Desktop Humanoid

    Humanoid · Intermediate

    Score
    Buildability 63 out of 100
    Cost
    $150≈ €134

  • Open source · free files

    EzRover

    Wheeled · Beginner

    Score
    Buildability 56 out of 100
    Cost
    $40≈ €36

  • Open source · free files

    Penny#3

    Hexapod · Intermediate

    Score
    Buildability 56 out of 100
    Cost
    €10

  • Open source · free files

    TatamiRacer

    Self-driving 1:10 · Intermediate

    Score
    Buildability 56 out of 100
    Cost
    ¥6,000≈ €34without the Raspberry Pi and micro SD card

  • Open source · free files

    Dirt Cheap Robot

    Wheeled · Beginner

    Score
    Buildability 50 out of 100
    Cost
    $25≈ €22without the gamepad you drive it with
  • Photo on GitHub

    No license yet

    Dummy Robotic Arm

    Robot arm · Intermediate

    Score
    Buildability 44 out of 100
    Cost
    ¥2,000≈ €267
  • No photo yet

    Open source · free files

    LEAP ROS2

    Other · Intermediate

    Score
    Buildability 44 out of 100
    Cost
    ¥200≈ €27

Robots 25–48 of 53

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≈ € values are approximate, converted at the ECB euro reference rate of 5 Nov 2026. The creator's original price always comes first.