Minecraft Java 1.21 Mods
Browse 51 free mods for Minecraft Java 1.21 — popular picks include BioGrav, Crafters Book Actions, Real Temp.
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BioGrav
Variable gravity across biomes, configurable to your heart's content!
Crafters Book Actions
Take control of written books. Adds dates and signatures. Great for contracts and roleplay!
Real Temp
A realistic client-side temperature survival mod with dynamic biomes, weather, altitude, armor insulation, and seasons. Survive freezing winters, scorching summers, and extreme climates with immersive environmental mechanics.
Formations Mod (1.21.11, 1.20.1) – Structure Library
Formations Mod for Minecraft that adds additional features to datapacks for generating structures. It provides a powerful API for creating custom structures and allows for more flexibility and control over structure generation. Formation is a powerful tool for modders who want to create custom structures and biomes in Minecraft. It is also a great mod […]
Creo API Mod (1.21.1, 1.20.1) – Library API For Mod/Datapack Development
Creo API Mod is a multi-purpose API for Minecraft mod/datapack development. It addresses three main issues that are not acknowledged by other APIs. A list of features, as noted on the official page, is given below. Features: Over 50 new Block, Item, Entity Type, Enchantment, & Biome tags. Expanded version of BlockSettings & ItemSettings for […]
AeroBlender Mod (1.21.1, 1.20.1) – TerraBlender + The Aether
AeroBlender Mod is a library mod dependent on TerraBlender, with the intent to add terrablender's functionality to The Aether Dimension. This API allows modders to add biomes in a simple and compatible manner with Aether's biome/terrain system. It is mainly used in Deep Aether and other Aether addons. Screenshots: AeroBlender Mod Download Links For Minecraft […]
Wolfhound Fairy Resource Pack (1.21.1, 1.20.1) – Texture Pack
Woflhound Fairy Resource Pack for Minecraft will satisfy your needs of seeing will-o-wisps in the forest. Does the name Tuatha De Danann means anything to you? Do you understand that the fairies were really scary bastards and not to be messed with under any circumstances? IF not, then you need to get to a library […]
TerraBlender Fix Mod (1.21.1, 1.20.1) – Performance Improvement
TerraBlender Fix Mod is a mod designed to fix a performance issue caused by TerraBlender's surface rule API. TerraBlender is a library mod that allows developers to add biomes in a simple and compatible manner with Minecraft's new biome/terrain system. However, some users experienced performance problems, and TerraBlenderFix addresses these issues. Screenshots: TerraBlender Fix Mod […]
Craftics - Grid Based Tactical RPG
We turned Minecraft into a full fledged tactical RPG! Gone are the days of exploring a world in first person, now you must enter new biomes and defeat enemies to gain resources all in a grid turn based RPG experience!!
Season System
Adds a dynamic season system to Minecraft with Spring, Summer, Autumn and Winter, seasonal weather, snow, melting ice, crop profiles, tooltips, temperature display and API support for mod integration.
Wild Creatures
Adds lively land, water and forest creatures to Minecraft with custom drops, duck eggs, GeckoLib animations, balanced spawns and optional mod integrations.
![FXItems | Custom: Items, Foods, Events, Commands, ️Armor, Biomes [1.21.4-1.21.5]](https://www.spigotmc.org/data/resource_icons/125/125469.jpg?1748768149){kind=icon}
FXItems | Custom: Items, Foods, Events, Commands, ️Armor, Biomes [1.21.4-1.21.5]
WARNING: Coding Involved | Framework for adding custom Items, Events, Commands and Foods
Biomorphosis Mod (1.21.4, 1.21.1) – Command a Mutating Swarm to Build a Living
Biomorphosis Mod brings a living, mutating ecosystem into your world. This mod lets you control a collective mind called the Swarm. You gather biomass to build organic structures and spawn new creatures. The world changes as insect villages and new biomes appear around you. You must decide whether to fight this growing nightmare or become […]
WorldWeaver Neoforge Mod (26.2, 1.21.1) – Ports WorldWeaver To NeoForge
WorldWeaver Neoforge Mod brings the WorldWeaver library to the NeoForge loader. It helps other world creation mods run on newer game versions. The mod also fixes several bugs so biomes load in the right places. Features: Brings the WorldWeaver library to the NeoForge platform. Fixes TerraBlender biomes to spawn at the correct size. Stops custom […]
Simple Registry Aliases Mod (26.2, 1.21.11) – Define Registry Entry Aliases
Simple Registry Aliases Mod allows you to define registry entry aliases, by exposing Fabric API's registry alias system in a simple, config-driven way. It supports both static (blocks, items, etc.) and dynamic (biomes, enchantments, etc.) registries. Features: Allows you to define registry entry aliases. Exposes Fabric API's registry alias system in a simple, config-driven way. […]