Iso-cons (Free)

Iso-cons is a set of modern 3D monotone icons with isometric style that fits well for any domain.

These assets work best for any web or app projects, pitch decks, social media, posters, and many more use cases.

Free version includes only PNGs. You can use it for both personal and commercial purposes.

If you are looking for source files (SVG, Figma, PNG) please go with the paid version here: https://charcodesign.gumroad.com/l/iso-cons-paid

For more such freebies,
checkout https://www.charco.design/