Projet url is dead :-(

[devnewton]

https://hax.iimarckus.org/topic/7691/ does not respond :-(

[mid-kid]

For all intents and purposes this github repo is the new project URL.

There's also another copy of that forum post linked in the readme: https://www.pokecommunity.com/threads/tilemap-studio-4-0-1-a-gb-gbc-gba-nds-snes-tilemap-and-town-map-editor.425298/#post-10075626