Slimefun and SlimeXPansion have been updated to 1.13.
Slimefun does have experimental builds at
https://thebusybiscuit.github.…cuit/Slimefun4/master/#58
SlimeXPansion:
https://dev.bukkit.org/projects/slimexpansion_v1-0
I know your probably gonna say no, but a lot of people like Slimefun, including me.