Mod
Lionfish API
A library by L_Ender that Cataclysm needs; nothing to do for players.
More from Libraries & APIs
Curios APIA library for accessory and equipment slots. In Nytheria it is only there because L_Ender's Cataclysm needs it.
AddonsLibA shared registration library used by Macaw's-style addon mods (bridges, roofs, fences and similar block sets).
Advanced Core Info (ACI)Shared core library used by the Advanced Loot Info and Advanced Worldgen Info mods.
Almanac LibLoader-independent shared library used by frikinjay's mods.
Almost UnifiedUnifies duplicate resources from different mods (for example several mods' copper ingots) into a single item so recipes and item lists stay tidy.
Architectury APIShared API that lets mods share code between Fabric, Forge and NeoForge.