Fabric Mods for Minecraft Java
Browse 9 free Fabric mods for Minecraft Java — popular picks include The Mighty Architectury, Cauldron API, Slashbridge.
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The Mighty Architectury
Architectury port of The Mighty Architect. Design elaborate buildings within a minute!
Cauldron API
this mod is an api that allows mod creators to create multiple type of recipe that base on cauldron!

Slashbridge
serverside utility mod aiming to add in minecraft commands that I think the base game lacks, bridging datapack and mod function.
Multicore Magic
Gives Minecraft's chunk mesh building its own dedicated, tunable thread pool — so chunk loading doesn't compete with worldgen and other background tasks for CPU cores.
Mansion D RPC
Easy to configure to make your Discord Rich Presence better.
Jake's Economy
A dynamic player-driven economy mod with a live market, coin currency, real-time price trends, and an Auction House.
SecondDawnRP
SecondDawnRP is a sci-fi roleplay framework mod for Minecraft that adds advanced building systems, functional ship components, and interactive tools to support immersive crew-based starship gameplay and custom events.
ArcBuilder
ArcBuilder is a feature-rich mod built on the M-Arch library, providing advanced building, destruction, and world management tools.
BetterSlabPlacement
Allows placing full blocks on top of bottom slabs, greatly improves building flexibility. Requires Fabric API.