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Become a sponsor to Johnathon Selstad

Johnathon Selstad

zalo

Mountain View

I'm an inventor with a specialty in software and simulations.
Particularly in the world of Graphics, Physics, Geometry, and UI.

You might know me from:

Cascade Studio an browser CAD system using code
MathUtilities, a museum + playground of esoteric mathematical tools that I've collected over the years
Sublucid Geometry where I describe some of these tools in greater detail
Project North Star, a high-spec open-source AR HMD

3 sponsors have funded zalo’s work.

Featured work

zalo/CascadeStudio
A Full Live-Scripted CAD Kernel in the Browser

JavaScript 1,069
zalo/MathUtilities
A collection of some of the neat math and physics tricks that I've collected over the last few years.

C# 4,421
zalo/zalo.github.io
A home for knowledge that is hard to find elsewhere

JavaScript 214

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$1 a month

Helping people is its own reward.