Library of features so creating new mods is easier.
Other mods depend on it to work
Features for developers:
coremod data
BlockSettings (tooltip, rotateColor, litWhenPowered, facingAttachment)
inventory wrappers
newmod template with buildscripts
Worldgen feature builders (simple, patch, ore)
dimension utilities
EnergyIngredient for recipes
FluidTagIngredient for recipes
RandomizedOut✨gredient for recipes
Brewing recipe
many misc utilities
/flib commands : can disable them in config flib.toml
-- /flib tpx: teleport across dimensions
-- /flib health add/set/random/factor
-- /flib hunger add/set/random/factor
-- /flib hearts add/set/random/factor
-- /flib gamemode @p 1
-- /flib scoreboard random @p 4 9 OBJECTIVE
-- /flib attribute minecraft:reach_distance random @p 3 8

Just shared code for many mods that i made. Enables me to speed up the process of creating new mods, and make porting between versions easier. "flib - /flib/ (WPI) A meta-number, said to be an integer between 3 and 4. See grix, N. "