Forge Mods for Minecraft 1.21
Browse 14 free Forge mods for Minecraft 1.21 — popular picks include Structure Gel API, Duplicationless, Structures Tweaker.
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Structure Gel API
An API for simplifying the developer end of creating generated structures.
Duplicationless
A lightweight Minecraft library that simplifies JSON configs, block data storage, and entity tracking across chunks and dimensions.
Structures Tweaker
StructuresTweaker gives you complete control over how players interact with structures in your world.
Infiniverse
API for creating dynamic dimensions
Simple Lucky Block
Adds a Lucky Block to Minecraft with random lucky or unlucky drops.
Piglin Conservatory v3.0
Adds a news structure to the Nether, The Piglin Conservatory, along with a new Obsidian Apple, Dragon Fruit, Toxic Mushrooms, Hoglins' Fossils, Corrupted Emerald and a New Music Discs!
Server Sided Portals
Create custom portals and dimensions compatible with any client!
Generator Accelerator
Optimizes the Minecraft worldgen and chunk management by introducing better calculations.
Modified Biome Source
Add modified biome sources that can be configured.
Keystone Expansion Pufferfish's Skills
MMO-style skill tree expansion for Puffish Skills, adding new progression categories like Combat, Mining, Exploration, Farming, Crafting, Building, Magic and Taming.
Health Enchantment
New enchantment that, when applied to armor, lets you get more health.
Jump Enchantment
New enchantment that, when applied to boots, increases your jump height!
HighMod
HighMod is a early mod which adds custom dimensions , items, blocks, armour, custom entities and more! It doesn't require GeckoLib to load custom entities
The Crafting Collective
an RPG magic and mechanical style modpack meant for exploration and player empowerment.