Some recent alternatives/successors/forks that are in the same vein as Pico

- Nimble: https://leftium.github.io/nimble.css/demo/pico.html

- Sumi.css: https://vladocar.github.io/Sumi.css/docs.html

- Blades: https://github.com/anyblades/blades

- Oat: https://oat.ink/