Minecraft Java 1.21 Mods
Browse 87 free mods for Minecraft Java 1.21 — popular picks include RFTools Utility Mod (1.21.1, 1.20.1) – Tons of General Tools and Utilities, RFTools Base Mod (1.21.1, 1.20.1) – Library for McJty's Mods, Cosmos Library Mod (1.21.1, 1.20.1) – Dependency for The Cosmos Mod Series.
Updated daily
RFTools Utility Mod (1.21.1, 1.20.1) – Tons of General Tools and Utilities
RFTools Utility Mod is the newest version of the original RFTools with tons of general tools and utilities. This is still alpha and currently only contains the teleportation system and the crafter. This mod is intended to be used together with RFTools Power and depends on RFTools Base and McJtyLib. Features: It contains the following […]
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 […]
Cosmos Library Mod (1.21.1, 1.20.1) – Dependency for The Cosmos Mod Series
Cosmos Library Mod is a collection of helper functions designed to make creating Minecraft mods quicker. It doesn't add any new features to the game itself. Instead, it serves as a base for other mods, allowing developers to avoid duplicating common code. This mod is part of The Cosmos Series by TheCosmicNebula and is required […]
VapourWare Mod (1.21.1, 1.20.1) – Library for VapourDrive's Mods
VapourWare Mod is a base mod created by VapourDrive. It serves as the foundation for several other mods and includes shared code for fuel-powered machines and a wrench. Features: Provides the logic and framework for fuel consumption, storage, and use in various machines. Adds a wrench that can be used to rotate blocks and disassemble […]
Structurized Reborn Mod (1.21.1, 1.20.1) – Allows Adding Custom Structures
Structurized Reborn lets you add custom structures to villages and other jigsaw pools in Minecraft. This library provides tools to register new buildings, set their spawn weights, and control how they fit into the terrain. You can also apply generation processors to add details like random mossy cobblestone. Features: Adds custom structures to existing village […]
AI DataBase wAPI Core
A core server-side mod for Minecraft 1.21.1 (NeoForge) that enables async external AI API calls and lightweight JSON-based data storage. It provides APIs for other mods and has no standalone features.
Database K's Dimension
The not so dependent dependency for my other Datapack that includes a simple dark dimension with no escape made of pure black concrete.
Adventure Item Stats
Gaussian variation on base stats of naturally-spawned items — every found sword and armor piece rolls a little different.
Simple Database
Save and get custom NBT data for Players
Tesseract API Mod (26.1.2, 1.21.1) – Registering Blocks, Items, and Fluids
Tesseract API Mod provides a hook framework and API, specifically for developing addons for Modern Industrialization. It also includes convenient helpers for registering blocks, items, and fluids, as well as offering some extra events to enhance the development experience. With Tesseract, developers can streamline their modding process and focus on building amazing new features. Features: […]
Citadel Unofficial Port Mod (1.21.1) – Play Alex's Mobs On Newer Game Versions
Citadel Unofficial Port Mod updates the main Citadel library to run on newer Minecraft versions using NeoForge. This library acts as a base requirement that helps other popular mods load properly in the game. Features: Acts as a lightweight background library that other mods need to run. Updates the original code to work smoothly on […]
NukaTeams Gun Lib Mod (1.21.1, 1.20.1) – Unleash Modern Firepower
NukaTeams Gun Lib Mod provides a powerful library for adding animated weapons to Minecraft. This mod acts as a base for other gun mods, allowing them to introduce things like firearms, melee weapons, and throwables. It supports custom gun packs, which let you add new weapons or edit existing ones. This mod itself does not […]
Better Library Mod (26.1.2, 1.21.1) – Adds Custom Player Join Messages
Better Library Mod manages shared systems to help other mods run properly. It acts as a base file that lets creators add setting menus and custom text to their games. You will need this file to play the Better Villagers mod. Features: Core for Better Villagers: This file is required to make the Better Villagers […]
Iron's Patreon Library Mod (1.21.1, 1.20.1) – Framework For Armor And Statue Systems
Iron's Patreon Library Mod provides a Patreon integration API along with shared systems and base content for related mods. It includes frameworks for armor transmog, player statues and decorative multiblock structures. Features: Library mod providing a Patreon Integration API layer Includes base content for dependent mods Adds Transmog Table block Provides Armor Transmog Framework Adds […]
SunDB
Lightweight async database library for Paper/Folia/Velocity.