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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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2 robots of 270

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

  • Stack-chan

    A JavaScript-driven, super-kawaii desktop robot built on the M5Stack platform, with open-source firmware, MODs, and printable cases.

    OtherBeginnerBuildability 50/100 · Buildable with some effort
    • Works with AI
    Cost not stated
  • ProtoBot

    An ultra cheap, simple two-motor robot with four sensors that a middle schooler can build in several hours.

    OtherBeginnerBuildability 35/100 · Incomplete documentation
    Cost not stated

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