Hello ports, there was already an attempt to get this port in in 2017 [1]. After talking to the original author of the port (CCed) here is another try with a newer version.
>From pkg/DESCR: Graphical application that displays memory and swap usage. Tested on amd64. Regards, Michael [1] https://marc.info/?l=openbsd-ports&m=148813642421406&w=2
xmem.tgz
Description: application/tar-gz