# Replicad

7 Hacker News commenters recommended Replicad and 0 criticized it, November 2025 to November 2026. It was recommended in 7 of 13 months.

**Verdict:** Free, MIT-licensed TypeScript library for parametric 3D CAD models, usable in a browser without an account.

## Why people recommend it

- Parametric models, version controlled from start (2 comments): "As someone who uses JavaScript/TypeScript, I love Replicad. It is super easy to create and share parametric models from their online editor without any accounts." ([source](https://news.ycombinator.com/item?id=47804935)) "It's fantastic to get everything parameter based and version controlled from revision 1." ([source](https://news.ycombinator.com/item?id=49678568))
- Code-based modeling in JavaScript/TypeScript (2 comments): "As someone who uses JavaScript/TypeScript, I love Replicad. It is super easy to create and share parametric models from their online editor without any accounts." ([source](https://news.ycombinator.com/item?id=47804935)) "It allows for realtime rendering in a browser window as Claude does changes to a single code file." ([source](https://news.ycombinator.com/item?id=46594755))
- Open source, praised as really good (2 comments): "a happily productive user of a fantastic MIT-licensed project" ([source](https://news.ycombinator.com/item?id=50039828)) "which I've used previously and found to be really good" ([source](https://news.ycombinator.com/item?id=46339066))

## Alternatives hackers recommend

- [FreeCAD](https://hackerapproved.com/p/freecad.md): 199 recommend
- [OpenSCAD](https://hackerapproved.com/p/openscad.md): 173 recommend
- [Onshape](https://hackerapproved.com/p/onshape.md): 65 recommend
- [Autodesk Fusion 360](https://hackerapproved.com/p/fusion-360.md): 60 recommend
- [SolveSpace](https://hackerapproved.com/p/solvespace.md): 37 recommend

## Cite as

Hacker Approved, "Replicad", https://hackerapproved.com/p/replicad/ (counts from 1,795,640 Hacker News comments, November 2025 to November 2026).