great small self relay for starters with no pro-technical skill needed just get windows or linux app run it

note down local ip ws://10.10.10.1:4869 and add the custom relay it to you nostr client app amethyst or self-hosted-webapp that's it.

if you cli tool called "nak" u can post to it and read it for test

POST PUSH WRITE a note

nak event --sec 9fa4644f91286358f3b79f1e6790b8a3a0ab9fc30f5168f638b7d4552546578 -c 'test it' --auth --pow 3 ws://10.10.10.1:4869

READ a note

nak req -i 09491fa5ff3f50bf4ce384aa87d34160bb1dbf8c6f01e93cb0430eafcdc30d55 ws://10.10.10.1:4869

(above --sec HEX and -i HEX are fake use ur own)