Mods for 1.8.9
3 mods match your filters.
SepareWorldsItemsby Happy7
SEPARE WORLD ITEMS INVENTORY Add-on that sets a different inventory in each world.
Forge
1.8.8 – 1.21.11
ModernShowcaseby dru40309
Advanced glass showcase, display anything with custom angles and extreme lightweight performance.
NeoForge
1.8 – 26.1.2
Universal ClearLagby Trollionaire
Lightweight multiversion server utility for automatic entity cleanup, mob spawn prevention, and lag control.
ForgeNeoForge
1.6.4 – 1.21.11