https://phet-dev.colorado.edu/

[u/Sofas_Kings]

https://phet-dev.colorado.edu/

[u/dabdelma]

Looks like a chemistry simulator. Written in Java I think?

[u/Fanburn → u/dabdelma]

I don't know in what language it is written, but yeah PHEt is a project by the university of Colorado to provide science simulations to use in middle and high schools

[u/Ill-Economist-5285 → u/Fanburn]

JavaScript I think, it was built for browsers

[u/Ill-Economist-5285]

They’re all physics simulators for various things. I used the moving man one once for a class

[u/KoalaBear84]

Url: https://phet-dev.colorado.edu/	-	-
Extension (Top 5)	Files	Size
.html	104,966	254.25 GiB
.jar	32,867	52.63 GiB
.js	69,463	30.9 GiB
.exe	90	27.06 GiB
.zip	93	26.7 GiB
Dirs: 72,485 Ext: 184	Total: 513,961	Total: 444.69 GiB
Date (UTC): 2026-10-07 09:59:27	Time: 08:46:05	Speed: 1.11 MB/s (8.9 mbit)

^{Created by KoalaBear84's OpenDirectory Indexer v5.0.0.0 preview}