Minecraft
192,309 Mods
Just Enough Items (JEI)
386M DownloadsView Items and Recipes
Bookshelf
241M DownloadsAn open source library for other mods!
Cloth Config API (Fabric/Forge/NeoForge)
175M DownloadsConfig Screen API for Minecraft
Architectury API (Fabric/Forge/NeoForge)
171M DownloadsAn intermediary api aimed to ease developing multiplatform mods.
CoFH Core
169M DownloadsContains Core Functionality for all Team CoFH mods. Also does some really cool stuff on its own!
Patchouli
167M DownloadsAccessible, Data-Driven, Dependency-Free Documentation for Minecraft Modders and Pack Makers
GeckoLib
166M DownloadsA 3D animation library for entities, blocks, items, armor, and more!
Placebo
160M DownloadsA library mod
Mantle
157M DownloadsShared code for Forge mods
CraftTweaker
151M DownloadsCraftTweaker allows modpacks and servers to customize the game. With CraftTweaker you can change recipes, script events, add new commands and even change item properties!
Curios API (Forge/NeoForge)
145M DownloadsA flexible and expandable accessory/equipment API for users and developers.
CodeChicken Lib 1.8.+
142M DownloadsContains various tools to make modding easier.
AutoRegLib
130M DownloadsA library to ease menial tasks in mod development.
Item Filters
121M DownloadsItem Filters is a library mod that is used by mods like FTB Quests. It adds several filter items that let you precisely select which items to match.
Moonlight Lib
121M DownloadsForge and Fabric lightweight library with utilities such as custom Villagers AI, data driven trades,, custom Map Markers, First and third person item animations, dynamic assets and registration & more
Cucumber Library
119M DownloadsA library of shared code and functionality used by my mods.
Baubles
117M DownloadsAn addon module and API for Thaumcraft
Cyclops Core
113M DownloadsLibrary mod for EvilCraft, Integrated Dynamics and others.
FTB Quests (Forge)
112M DownloadsQuesting Mod by FTB
Fabric API
111M DownloadsCore API library for the Fabric toolchain