Mods that add a substantive system of features.
- Open Computers
- Programmable computers
- IndustrialCraft
- Technology, focused on industrial production and tiers
- dep: Tesla Core Lib
- dep: Foreglin
- BuildCraft
- Technology, focused on managing resources and automating mining and building
- dep: Buildcraft Compat
- GalactiCraft
- Explore other planets with rockets, build orbital satellites
- comp: Galacticraft Core
- comp: Galacticraft Planets
- comp: Micdoodle Core
RailCraft(not ready for 1.12)- Tinker's construct
- Overhaul of the tool system, introducing large forges and casting
- dep: Mantle
- Thaumcraft
- Deep magic system
- dep: Baubles
- Forestry
- Overhaul of plants, especially trees, and also bees, with technology integration
- New biomes
- Animania
- Overhaul of animals
- dep: CraftStudio API
Mods that add useful features to the game.
- Storage chests
- Chisel
- Ender chest
- Ender tanks
- Minimap
- Catwalks
- Backpacks
- Original pistons
- Aircraft
- Elevator
- Powered Things
Mods that improve existing experiences without directly altering gameplay.
- Optifine
- Better animations
- Extended item information
- NEI