Minecraft Java 1.21 Mods
Browse 17 free mods for Minecraft Java 1.21 — popular picks include Better Combat [Fabric & Forge], Knight Lib, Ember's Underground Rooms | Ancient Dungeons.
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Better Combat [Fabric & Forge]
⚔️ Easy, spectacular and fun melee combat system from Minecraft Dungeons.
Knight Lib
A library that serves as a bridge between mods.
Ember's Underground Rooms | Ancient Dungeons
New underground dungeons with varied rooms, treasure and enemies! LIBRARY UPDATE!
DungeonZ
Base mod to add new dungeons with one default dungeon
StoneyCore
A library used for Knights & Heraldry team mods.
Dungeons Content Plus
This is a addon for the mod MCD -CT that will add new custom content and music
AetherMon
A datapack that lets Cobblemons spawn in aether and have tms from TmCraft spawn naturally in aether dungeons.
Deltapack
A deltarune datapack adding content from dark fountains and dark worlds to the roaring knight. As well as items and spells like snowgrave and the shadow mantle.
ProceduralDungeon
ProceduralDungeon allows you to generate dungeons procedurally. Depending on the parameters entered and the pre-saved rooms, it generates a set of random rooms. This plugin is best integrated as an addon to your script/plugin for generating rooms.
Script Blocks
Adds various blocks and mechanics which assist map makers and dungeon builders.

Soul Gathering
Adds the Soul Gathering mechanic from MC Dungeons
Aetheria: Age of Oblivion
This is a Dark Fantasy RPG-style compilation with an emphasis on complex combat, exploration of dangerous dungeons, and magic.
AquaLib
AquaLib is the foundational core library engineered to power the Aqua Kingdoms ecosystem and its suite of advanced oceanic features. It provides a high-performance framework for handling complex data and immersive underwater mechanics while ensuring best
GottschCore (1.21.1, 1.20.1) – The Key to Dungeon Quests
GottschCore is a new base library (API) that is used in all of gottsch's mods. This is a replacement of ModUtilsAPI. Features: Acts as a shared code library (API) that other mods need to work. Replaces the older ModUtilsAPI with a new base. Allows mods like Treasure2!, Legacy Vault, and Dungeon Denizens to run in […]
Let's Do API Mod (1.21.1, 1.20.1) – Library for Cristelknight's Mods
Let's Do API Mod is a utility that contains essential code and APIs related to rendering various elements, enabling the creation of new recipe books, adding new wood variants, and many other functions primarily appreciated by mod developers. For players, this tool does not directly impact gameplay-it simply serves as a necessary framework for ensuring […]
Knight Lib Mod (1.21.1, 1.20.1) – Expand Your Modding Toolkit
Knight Lib Mod is a code library that serves as a shared foundation for mods developed by its creator. This library mod introduces a key feature, the "Great Chalice" block, along with several utility functions that simplify adding common elements to custom mods. Features: Adds the "Great Chalice" block Provides utilities for mod development Designed […]
Medieval Mod (1.21.1, 1.20.1) – Core Mod For Medieval MC
Medieval Mod is a foundational mod designed to support other medieval-themed mods in Minecraft. Acting as a core framework, it provides essential resources, scripts, and backend functionalities required by mods that focus on medieval content. Features: Core Framework for Medieval Mods: Essential backend support for medieval-themed mods. Ensures Compatibility: Helps other mods with medieval content […]