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Show HN: Kyushu – A self-hostable WASM sandbox for JavaScript workers

kyushu.dev

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Re: Show HN: Kyushu – A self-hostable WASM sandbox for JavaScript workers

#2

Post by cohix »

I’ve worked with Wasm for about 6 years now (founded a company around it that got acquired, even)

Even though our product was not a commercial success ~3 yrs ago I still believe something like this should succeed and give people choice when it comes to isolation/virtualization (containers, microVMs, Wasm). They are each useful and appropriate for different things.

Re: Show HN: Kyushu – A self-hostable WASM sandbox for JavaScript workers

#4

Post by Nasser_CAD »

I started working on Nasscad back in early March with the assistance of Claude AI, and it led to Nasscad: a lightweight, powerful, and uncompromising CAD tool. I used to be allergic to HTML, Node.js, and the like. But we have to face the reality that the web stack dominates now—bringing along HTML, CSS, JavaScript, Wasm, frontend, and backend.

Re: Show HN: Kyushu – A self-hostable WASM sandbox for JavaScript workers

#5

Post by Nasser_CAD »

jahala wrote: post #3

Loving the customer testimonials :D .. If someone feels like an eli5 - What are the use-cases for something like this?

ELI5: Imagine you want to run a heavy, powerful 3D video game engine inside a standard web browser or a lightweight desktop app, without making it slow or unsafe.

JavaScript alone can't handle that kind of heavy lifting efficiently. That’s where Wasm comes in. It lets you run high-performance native code (like C++) at near-native speed safely in the sandbox.

For example, I'm currently using Wasm to run a complex 3D geometry engine (Manifold) inside a lightweight CAD app (Nasscad). It gives you web flexibility with desktop power.

Re: Show HN: Kyushu – A self-hostable WASM sandbox for JavaScript workers

#6

Post by jahala »

Nasser_CAD wrote: post #5
jahala wrote: post #3

Loving the customer testimonials :D .. If someone feels like an eli5 - What are the use-cases for something like this?

ELI5: Imagine you want to run a heavy, powerful 3D video game engine inside a standard web browser or a lightweight desktop app, without making it slow or unsafe. JavaScript alone can't handle that kind of heavy lifting efficiently. That’s where Wasm comes in. It lets you run high-performance native code (like C++) at near-native speed safely in the sandbox. For example, I'm currently using Wasm to run a complex 3D g…

Thanks for that!
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