It seems to be. I'm getting a "connection timed out" error every time I go there. Anyone know what's going on or have an alternate download?

http://renaka.com/pages/starcraft is a good resource

Thanks!

Since this is the first search result on google when you search "scmaps is down", leaving this here for posterity.

https://gitlab.com/scmaps.net/starcraft_brood_war_maps_archive/tree/master