Neoforge Mods for Minecraft Java
Browse 31 free Neoforge mods for Minecraft Java — popular picks include TerraBlender (Forge), TerraBlender (NeoForge), AeroBlender.
Step by step: How to install Minecraft Java mods & modpacks
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TerraBlender (Forge)
A library mod for adding biomes in a simple and compatible manner!
TerraBlender (NeoForge)
A library mod for adding biomes in a simple and compatible manner!
AeroBlender
AeroBlender is a library mod dependent on TerraBlender, for adding biomes in a simple and compatible manner with Aether's biome/terrain system.
Advanced Fishing
This mod overhauls fishing with 49 new fish, biome-based catches, lava fishing, new enchantments and curses, custom potions, early-game tools like the Chum Bucket, and fully reworked fishing mechanics.
Elysium API
Elysium is a library mod with various utilities, built-in features and new data driven systems for both Mod-Developers and Modpack-Creators to utilize
Oh The Trees You'll Grow
Tree library used by popular mods such as Oh The Biomes You'll Go.
Every Compat (Wood Good)
Universal Wood Compat: Quark, Twilight Forest, Twigs, Another Furniture, Farmers Delight, Macaw's, Valhelsia, Architects Palette, Deco Blocks, Crayfish FM
Villager API
An API to add custom villager professions and villager biome types with custom trades without writing code.
WorldWeaver: New Dawn
An unofficially maintained continuation of the BetterX Team's utility library for Fabric and NeoForge, designed to streamline common modding tasks, especially those related to world generation
BCLib: New Dawn
An unofficially maintained continuation of BCLib for Fabric and NeoForge, providing core utilities and shared functionality for BetterX mods
Treeplacer
Saplings can dynamically generate different trees, based on the biome they are grown in, declared in data files.
Ars Monde Lib
Content library for Ars Monde
Villager Fletcher House
Adds a villager fletcher house to the plains biome
Villager Library
Adds a Villager Library to plains a forest biomes
PixelGO - Information - Jade (for Pixelmon)
A mod that lets you view pokemon statistics (IV, EV, Nature, EVYield ...)
Modified Biome Source
Add modified biome sources that can be configured.
Solstice Dynamic Seasons
Experience a living world with Solstice: Dynamic Seasons, a 14-step seasonal simulation . Features realistic weather, shifting daylight, biome-aware snow, and custom crop growth. The ultimate Minecraft atmosphere!
Horror Maximized Features
Extra features mod for the modpack Horror Maximum
CaveLib
Library based on Alex's Caves
Mansioneer
Adds biome-specific variants for Woodland Mansions; easily expandable with data packs!
better mob : jungle expansion
Better Mob: Jungle Expansion transforms Minecraft jungles with animated creatures, dangerous predators, immersive wildlife, GeckoLib animations, tropical atmosphere, rare mobs, jungle structures, and realistic exploration adventures.
Trillion O Trees
An overworld mod adding many more tree types and forests... some added structures too

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.
Custom tags for FFA (Nature's Spirit)
Adds more tags for grouping nature's spirit biomes
CC – Complementary Core Mod (26.2, 1.20.1) – Unified Library for Custom Tools
CC – Complementary Core Mod provides a shared code library for custom mod projects in Minecraft. The mod adds helpers for recipes, loot tables, block models, and item setups. It simplifies registering full sets of tools and tiered weapons with very little code. The mod also includes shared biome tags across major world generation mods […]
TFC Mantle Mountains Mod (1.21.1, 1.20.1) – Scale Gigantic Peaks
TFC Mantle Mountains Mod expands mountain sizes in TerraFirmaCraft to make natural terrain taller and wider. This mod scales up existing mountain biomes without increasing their spawn count across the world. It raises the maximum world height to 1024 blocks so massive peaks have enough room to rise. You can adjust the vertical and horizontal […]
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 […]
Necronomicon API (26.1.2, 1.20.1) – Library for ElocinDev's Mods
Necronomicon API is an API to make less repetitive code, sync changes and bring parity to both loaders with common code. Features: Easy to use config API for both loaders. Datagen utility API for Fabric (and partially for Forge). Dynamic Pack Generation API for both loaders. Worldgen utility API for Fabric (Mostly feature generation). Biomes […]
Thermoo Mod (26.1.2, 1.20.1) – Temperature and Environment API
Thermoo Mod is a technical library that adds specific functions related to the temperature of game biomes. The mod itself does not add or change anything, but it is required by certain mods that introduce game mechanics related to temperature. Features: A unified framework for dealing with Temperature and Wetness/Soaking Cross-compatibility with other Thermoo mods, […]
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 […]
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 […]