Neoforge Mods for Minecraft 1.20
Browse 17 free Neoforge mods for Minecraft 1.20 — popular picks include Structure Gel API, Duplicationless, Structures Tweaker.
Updated daily
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.
Sky Aesthetics
Change the minecraft skybox as you wish!
Hyle
A worldgen feature API for underground changing mods
Infiniverse
API for creating dynamic dimensions
Preset Dimensions
Bare-bones modpack dev helper mod for copying pre-prepared dimensions into the dimension folder of newly created worlds.
Worldgen Revisited - Now with noise caves!
OreTweaker, CaveTweaker, FeatureTweaker, WorldTweaker, and more!
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.
Genflower
World gen & loot utils library for datapacks and mods.
Big Globe - Just Enough Guns Compatibility
this mod adds compatibility between Big Globe generation and Just Enough Guns
Worldgen Flexiblifier
Adds flexibility to various aspects of vanilla worldgen, allowing customization of otherwise hardcoded parameters
Generation Green
Making Mojang's textures for natural stuff BETTER. (since 2026)
RFTools Base Mod (1.21.1, 1.20.1) – Library for McJty's Mods
RFTools Base Mod is the base mod for all tech mods by McJty. This includes RFTools Dimensions, RFTools Control, RFTools Power, Deep Resonance, XNet, and so on. Features: Dimensional Shard oregen, small amount in the overworld, more in other dimensions. The machine infuser. Base crafting materials for the other tech mods. The smart wrench. Security […]
McJtyLib (1.21.1, 1.20.1) – The Foundation for High-Tech Worlds
McJtyLib is a companion mod required by all mods from McJty: RFTools, RFTools Dimensions, Deep Resonance and also by RF Lux by romelo333. Features: Acts as a required library for a large collection of mods. Allows various tech mods to function properly without crashing. Provides the necessary code for mods including RFTools, XNet, Deep Resonance, […]