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ChoiceTheorem's Overhauled Village
Click Machine
Clickable Advancements
Client Tweaks
Cloth Config API
Cloth Config API (Fabric/Forge/NeoForge)
Clumps
CobbleForDays
CodeChicken Lib
CodeChicken Lib 1.8.+
CoFH Core
CoFH World
Colorful Hearts
Coloured Tooltips
Comforts
Common Capabilities
CommonCapabilities
Compact machines
Compact Machines 3
CompactStorage
ComPatchedStorage
ComputerCraft
Configured
Connected Glass
ConnectedTexturesMod
Connectivity
Construct's Armory
Construction Wand
ContentTweaker
Controlling