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Minecraft Java 1.20 Mods

Browse 3,388 free mods for Minecraft Java 1.20 — popular picks include KKAiHelper, SpigotX, KopperLib.

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KKAiHelper
1.20.6

KKAiHelper

AI Customer Support | Typewriter Effect | Agent Auto Rules

20downloads
SpigotX
1.19spigot

SpigotX

A flexible Java library for creating Spigot/Bukkit plugins with GUI, commands, and event handling.

19downloads
KopperLib
1.20.1forge

KopperLib

A library for Kopper mods - Compatibilities

17downloads
Generation Green
1.20.4neoforge

Generation Green

Making Mojang's textures for natural stuff BETTER. (since 2026)

17downloads
Alexy's Radiation Lib
1.20.1forge

Alexy's Radiation Lib

A powerful and fully featured mod that adds a configurable radiation system!

16downloads
Aevum
1.20

Aevum

Create, manage, and track timers with ease. ⌛

16downloads
Rivals Example Datapack
1.20.1

Rivals Example Datapack

This is the example datapack for making Superheroes using the Rivals API

16downloads
VanillaTweaker » Small changes, big improvements!
1.20.6spigot

VanillaTweaker » Small changes, big improvements!

Qulaity of life tweaks for an improved vanilla experience.

15downloads
HikariLib
1.20

HikariLib

A Utils Library for Minecraft Paper/Folia Plugin Developing.

15downloads
CognitiveReinforcementAndExistentialValidationFramework
1.20.6spigot

CognitiveReinforcementAndExistentialValidationFramework

Scientifically maximizes player self-esteem using procedural gradients and hyperbolic affirmations.

12downloads
WorldScript [1.12.2-1.21.8] | ️RPG Region Framework | ⚡Dynamic Events & Player Progression⚡
1.12spigot

WorldScript [1.12.2-1.21.8] | ️RPG Region Framework | ⚡Dynamic Events & Player Progression⚡

Open-world RPG region events and scripting for Paper servers..

11downloads
UHC for oupydog coolpack
1.20.1

UHC for oupydog coolpack

This is a UHC datapack made to be paired with a modpack. This datapack will not function properly without it.

11downloads
INVIZ
1.20

INVIZ

Adds a craftable invisibility ability, allowing players to become invisible for 15 seconds or until their first attack.

10downloads
WSXPay
1.18.2

WSXPay

Integrate real-world payments into WebShopX

9downloads
Uni GUI
1.20.1fabric

Uni GUI

A library for UI designed for maximum performance

8downloads
MattTweaks
1.20paper

MattTweaks

Library for my Plugins

8downloads
Notime
1.8

Notime

A lightweight Minecraft server time management and anti-addiction plugin that supports the Folia server.

7downloads
SignalsLib
1.16

SignalsLib

A tiny Java signal/event library with optional Bukkit/Spigot integration, backed by GEB

4downloads
ScoreboardAPI-FOLIA
1.20.6paper

ScoreboardAPI-FOLIA

Packet-based scoreboard, nametag & tab API for Paper and Folia, per-player sidebars, MiniMessage, animations, zero depe

4downloads
SDLore
1.19.4paper

SDLore

Create and edit custom item lores with our powerful web editor. Import it easily in-game with one command.

4downloads
unicornpkg
1.16.3

unicornpkg

A package manager for ComputerCraft, packaged as a datapack

4downloads
BlockUtil
1.20paper

BlockUtil

A library which provides tools directly related to blocks.

3downloads
MittelLib
1.20.1paper

MittelLib

A useful library simply made for mmmjjkx plugins' series

1downloads
ToadLib Mod (26.2, 1.20.1) – Library for Mrtoad's Mods
1.20.1

ToadLib Mod (26.2, 1.20.1) – Library for Mrtoad's Mods

ToadLib Mod is a utility library designed to support all mods created by Mr.Toad. It contains a set of utilities, custom config, abstractions and more. Features: Property utils Integration utils Block And Item utils World-Gen utils Entity Abstractions Entity utils Java utils Custom config And more ToadLib Mod Download Links

Modern Networking Mod (26.2, 1.20.1) – Run Multiplayer Mods Without Errors
1.20.1

Modern Networking Mod (26.2, 1.20.1) – Run Multiplayer Mods Without Errors

Modern Networking Mod backports the newer packet system from Minecraft 1.20.6 to older game releases. This library helps other mods send data properly when you play on multiplayer servers. It runs in the background and works across many different mod loaders at the same time. Other mods require it to share information cleanly and avoid […]

PlugTrace
1.20paper

PlugTrace

Catch broken plugin updates, missing commands, dependency failures, and silent regressions before players do.

The Uncensored Library Official Map (26.2, 1.20.1) – Read Hidden World Truths
1.20.1

The Uncensored Library Official Map (26.2, 1.20.1) – Read Hidden World Truths

The Uncensored Library Official lets you walk through a massive building filled with real-world news. This map acts as a safe space where you can read articles and stories written by journalists from around the globe. It turns the game into a place where hidden information is open for everyone to read and share. Features: […]

UnionLib Mod (26.2, 1.20.1) – Library for Stereowalker's Mods
1.20.1fabric

UnionLib Mod (26.2, 1.20.1) – Library for Stereowalker's Mods

UnionLib Mod is a simple library for Stereowalker's Mods. It also provides a pretty handy configuration system and adds lots of more useful forge events. UnionLib Mod Download Links

HotbarCycle Mod (26.2, 1.20.1) – Swap Hotbar, Swap Slot
1.20.1fabric

HotbarCycle Mod (26.2, 1.20.1) – Swap Hotbar, Swap Slot

HotbarCycle Mod adds Stardew Valley inspired hotbar swapping to navigate your inventory without ever opening it. There are also config options for reversing the cycle order, enabling sounds, and enabling individual rows/columns for cycling through Mod Menu Mod and Cloth Config API. This mod is client-side! It will work on any server you join even […]

WaterMedia Mod (26.2, 1.20.1) – Multimedia API
1.20.1fabric

WaterMedia Mod (26.2, 1.20.1) – Multimedia API

WaterMedia Mod is a Library and API providing multimedia support using VLC native libraries for mods like VideoPlayer or WaterFrames. Designed to be used in modded envyroments of Minecraft like Forge or Fabric but can be used outside it. This mod provides an extra abstraction layer over VLCJ MediaPlayers making more easier manage your media, […]

LiquidBounce Client Mod (26.2, 1.20.1) – LiquidLauncher, A Free Client
1.20.1

LiquidBounce Client Mod (26.2, 1.20.1) – LiquidLauncher, A Free Client

LiquidBounce Client Mod is a free and open-source mixin-based client using the Fabric API or Forge for Minecraft. This mod gives you significant advantages over other players. Features: You think the client is missing a module or command? LiquidBounce's JavaScript API allows you to take care of that yourself! With just a few lines of […]

FokusAPI Data Pack (26.2, 1.20.1) – API Library Support
1.20.1

FokusAPI Data Pack (26.2, 1.20.1) – API Library Support

FokusAPI Data Pack allows other datapacks or mods to conveniently reuse common functionalities. This datapack serves as a support library for many other projects by CoffeeG or other mods that require NBT handling, scoreboard manipulation, and random mob spawning. Features: Library for CoffeeG's Datapacks/Mods/Plugins Make NBT Edit easier Modify & Store Scoreboard easily Simulate dropping […]

Caelus API (26.2, 1.20.1) – Library for TheIllusiveC4’s Mods
1.20.1neoforge

Caelus API (26.2, 1.20.1) – Library for TheIllusiveC4’s Mods

Caelus API is a small utility mod that abstracts the hardcoded vanilla elytra behavior into a more generic elytra flight attribute and exposes this to mod developers seeking to implement elytra flight for their own mods. All modders have to do is call the CaelusAPI.ELYTRA_FLIGHT attribute where applicable. The attribute has a default value of […]

Better Books Resource Pack (26.1.2, 1.20.1) – Chunky 3D Books for Your Library
1.20.1

Better Books Resource Pack (26.1.2, 1.20.1) – Chunky 3D Books for Your Library

Better Books Resource Pack replaces vanilla flat books with thick 3D models. The pack changes how items look in your hands and on the ground. It uses standard game files, so you do not need extra add-ons to make the shapes work. Features: Thick 3D Shapes: Books get a physical blocky shape instead of a […]

Steampunk Island Map (26.2, 1.20.1) – A Floating Mechanical City
1.20.1

Steampunk Island Map (26.2, 1.20.1) – A Floating Mechanical City

Steampunk Island Map sends you to a giant mechanical city floating in the middle of the ocean. This map is filled with tall structures, flying airships, and huge brick buildings standing over the water. You start on a long bridge that takes you straight to a massive central library. Every street and building has lots […]

TCR Core Mod (1.20.1) – Library for The Casket of Reveries Modpack
1.20.1forge

TCR Core Mod (1.20.1) – Library for The Casket of Reveries Modpack

TCR Core Mod is the main mod of the The Casket of Reveries modpack. It is required for the modpack to work properly. This mod focuses on fixing issues, improving compatibility between mods, and adding important custom content to enhance gameplay. Features: Bug fixes and cross-mod compatibility improvements Custom main city and a unique overworld […]