You probably mean JSGME - the Jone Soft Generic Mod Enabler:
http://www.users.on.net/~jscones/software/products-jsgme.html
It's a (free) program that allows mod installation via a GUI. Another useful thing is that JSGME automatically backs up any files replaced by a mod, so even if the mod you installed is corrupted or incompatible, you can easily restore the original game files without having to reinstall.
http://www.users.on.net/~jscones/software/products-jsgme.html
It's a (free) program that allows mod installation via a GUI. Another useful thing is that JSGME automatically backs up any files replaced by a mod, so even if the mod you installed is corrupted or incompatible, you can easily restore the original game files without having to reinstall.