Alternatives

Products that do what Replicad, the Library for CAD in the Browser does

1. 1
   agentcad▲110

   A CAD design tool for coding agents (free + open source)

   Jun 2026 · agentcad.dev

2. 2FP
   FluidCAD – Parametric CAD with JavaScript▲160

   Hello HN users, This is a CAD by code project I have been working on on my free time for more than year now. I built it with 3 goals in mind: - It should be familiar to CAD designers who have used other programs. Same workflow, same terminology. - Reduce the mental effort required to create models as much as possible. This is achieved by: - Provide live rendering and visual guidance as you type. - Allow the user to reference existing edges/faces on the scene instead of having to calculate everything. - Provide interactive mouse helpers for features that are hard to write by code: Only 3…

   Apr 2026 · fluidcad.io

3. 3
   CADAM▲87

   AI Tinkercad

   Jun 2026 · adam.new

4. 4
   Precursor▲227

   A real-time collaborative prototyping tool

   2014

5. 5
   PixyCAD ▲126

   Fast & precise 3D CAD built natively for iPad and Mac

   Jul 2026 · pixycad.com

6. 6
   Prototype Brewery▲136

   Prototyping tool for building responsive web projects

   2016

7. 7
   Whisker▲94

   Create and edit CAD models into production-ready prototypes

   Mar 2026

8. 8
   FreeCAD 1.1▲218

   Extremely powerful, completely free 3D CAD modeling

   Mar 2026

9. 9
   CADWOLF▲70

   Collaborative engineering. A Github for engineering

   2019

10. 10PB
    Physics-based CAD▲104

    2016 · prandtl.design

11. 11
    thedirectory.io▲101

    A collaborative directory of design agencies

    2016

12. 12
    threed.io▲238

    Generate custom 3D device mockups in your browser.

    2017

13. 13
    Subform▲165

    A CAD-inspired design tool for UX/UI design.

    2016

14. 14
    HyperDev▲181

    A new rapid prototyping tool from Fog Creek

    2016

15. 15
    TextoCAD▲17

    Free AI text to CAD generator

    Jun 2026 · textocad.com

16. 16
    Toolbox by Prototypr.io▲122

    Search, filter and compare the latest design tools

    2018

17. 17IS
    I started a repo for sharing algorithm implementations▲52

    Everything that would be here is in the README. I hope this gets big, it has tons of potential.

    2013 · github.com

18. 18
    whodidthis.io▲165

    Publish your projects, get meaningful endorsements and more.

    2016

19. 19DA
    DiffCAD, a FreeCAD workbench to review model changes like code▲7

    I'd like to share a new workbench I've been working on called DiffCAD. Coming from a software engineering background, not having the ability to properly diff my CAD model changes was driving me crazy. This project scratches my own itch, and maybe someone elses', too! I'm open to feedback, ideas, and contributions. Cheers!

    May 2026 · github.com

20. 20
    webdesignrepo V2▲121

    A curation of the best webdesign tools and resources

    2016

21. 21
    Building Prototypes With Framer▲94

    Learn to create prototypes that feel like real apps

    2016

22. 22CI
    Clara.io, next-gen web-based 3D creation tool.▲36

    2013 · exocortex.com

23. 23
    repl.it▲109

    Online code repl for pretty much any language.

    2015

24. 24
    CoderPad▲77

    In-browser REPL and compiler for programmer interviews.

    2014

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