Minecraft Java 1.21 Mods
Browse 19 free mods for Minecraft Java 1.21 — popular picks include VapourWare, ZeroCore, Keystone Expansion Pufferfish's Skills.
Updated daily
VapourWare
Base mod that is the foundation for 1.20+ mods by VapourDrive. Contains shared code for fuel powered machines, and a wrench.
ZeroCore
A mod intended for other mod authors, it contains a revised multiblock API that support multiple client mods without performance penalities, a new new GUI system, a base BlockEntity implementation that simplifiy data syncronization and much more.
Keystone Expansion Pufferfish's Skills
MMO-style skill tree expansion for Puffish Skills, adding new progression categories like Combat, Mining, Exploration, Farming, Crafting, Building, Magic and Taming.
EconomySystem
lightweight, no-dependency economy plugin for Minecraft that provides essential digital currency features with optional database support and full configurability.
SecureLib
Security blocks library and standalone mod to protect your base
Cauldron API
this mod is an api that allows mod creators to create multiple type of recipe that base on cauldron!

ICN Additions
This is a datapack created to house all crafting recipe modifications in the ICN Modpack I created.
MHDF-Tools
MHDF-Tools | Dream Tools | ✨ A lightweight portable high performance Bukkit base plugin ✨MHDF-Tools | 梦之工具 | ✨一款轻量化便携高性能的Bukkit基础插件✨
Mansion D RPC
Easy to configure to make your Discord Rich Presence better.
Tiny DataLib
This project is a library with useful utilities such as a database system and more.
Solariae Management CNIS Plugin
Exclusive Solarian Community Plugin for MySQL Database Documentation Management.
TheFourLeafCollective
A modpack made to specialize in four main archetypes, tech, magic, exploration, and building!
HueFinder
HueFinder adds a clean in-game menu to browse and search color palettes for creative building.
Grimm's Mod Base
Base mod for the Grimm's modernized series, now including lattes (?). General content expansion and adventure mod.
AuctionX
A modern, fully customizable auction house plugin with per-rank limits, MySQL/SQLite storage, PlaceholderAPI & Discord integration, and a fully editable English messages.yml.
Relocation
A simple building relocation plugin
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 […]
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 […]
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: […]