Software Alternatives, Accelerators & Startups

BlockCAD

BlockCAD is freeware software for forming virtual models with Lego-like bricks.

Best BlockCAD Alternatives & Competitors in 2025

The best BlockCAD alternatives based on verified products, community votes, reviews and other factors.
Filter: 3 Open-Source Alternatives. Latest update:

  1. LDraw is an open standard for LEGO CAD programs that allow the user to create virtual LEGO models...

    /ldraw-alternatives
  2. LDCad is a multiplatform ...

    /ldcad-alternatives
  3. RealityMAX is the AI-powered 3D design collaboration platform, 100% online. Cooperate remotely with your colleagues on 3D projects and easily share your work with clients. Create Web3D and AR experiences in a snap, without a line of code.

    Visit website freemium $40.0 / Monthly (Pro with up to 500 GB of storage space)

    Visit website
  4. LeoCAD is a CAD program for creating virtual LEGO models.

    Open Source

    /leocad-alternatives
  5. Build LEGO designs online with friends.

    /stud-io-alternatives
  6. MLCad LEGO Cad Software

    /mlcad-alternatives
  7. SR3DBuilder is an advanced CAD to create and ANIMATE LEGO models on your PC. Features:

    /sr-3d-builder-alternatives
  8. Mecabricks is an online LEGO building tool.

    /mecabricks-com-alternatives
  9. In the event that you are a LEGO aficionado and one of your distractions incorporate robots, you most likely found out about LEGO robots.

    /lego-mindstorms-ev3-alternatives
  10. Bricksmith allows you to create virtual instructions for your Lego creations on your Mac.

    /bricksmith-alternatives
  11. An open-source parametric 3D modeler

    Open Source

    /freecad-alternatives
  12. Konstruktor is an online tool that allows you to build LEGO models and visual infrastructures with the help of built-in bricks and other sub-units quickly.

    /konstruktor-alternatives
  13. LPub3D empowers you to make LEGO-styled developments on your PC, alongside point by point direction manuals.

    /lpub3d-alternatives
  14. Scratch is the programming language & online community where young people create stories, games, & animations.

    Open Source

    /scratch-alternatives
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