ramfs topic

A fully Go userland with Linux bootloaders! u-root can create a one-binary root file system (initramfs) containing a busybox-like set of tools written in Go.

u-root

Load root file system to ram during boot.

arcmags

tmpfs for Windows / Fully dynamic RAM disk by extending WinFsp's memfs to be variable size and maximally resource efficient without compromising performance

Ceiridge