Minecraft Java 1.21 Mods
Browse 2,192 free mods for Minecraft Java 1.21 — popular picks include my-bot-mod, UltClearLagg, Chunk Border Redstone Highlighter.
Updated daily
my-bot-mod
Carpet-style fake players (bots) for Fabric 1.20-1.20.4 - spawn & control bots, non-blocking A* pathfinding, a Command Baton to send them anywhere, skins, inventory & ender chest access, and bots that persist across restarts.
UltClearLagg
Advanced lag reduction, automatic cleanup systems, mob optimization, TPS monitoring, smart entity management, redstone lag prevention, Bedrock GUI support, and real-time server performance tools.
Chunk Border Redstone Highlighter
A client-side performance debugging tool that highlights redstone components sitting on chunk borders — the #1 cause of server lag. Toggle with one keypress (O).
AKW: Atomic Kinetic Works
AKW: Atomic Kinetic Works is a high-performance NeoForge 1.21.1 modpack that masterfully combines complex industrial automation via Mekanism and Create with professional-grade architectural freedom through Axiom.
Kreativ Konten
Kreativ Knoten is a lightweight yet feature-rich modpack designed for builders, creators, and community projects. It combines visual creativity, smooth performance, and powerful management tools to let your imagination flow freely.
AreaReloader
Create and restore areas at any time at the glance of a command or set them to automatically regenerate!
The Smorox Create Pack
A chill Minecraft pack focused on fun and easy gameplay. Automate your farms with the Create mod and enjoy smooth, relaxed sessions without distractions.
HeartsOptimized
Can see anyone hearts also complitable with crossplay
NitroEconomy
Economy Solution for All Systems
Optimised Survival
Optimised Survival brings together carefully selected packs that enhance the survival experience without changing the game’s core. Focused on performance, comfort, and quality‑of‑life improvements, it lets you fully enjoy the adventure.
InventorySearchBar
A litte mod that add's a search bar in survival invetory to search for items
Create Technical Foundry: Deluxe Pack
Deluxe visuals pack for the Create Technical Foundry servers, go full-on visual flare while keeping the vanilla feel albeit requires a serious hardware to run.
PaperBinModPack
It's a modpack for PaperBin's players
Createmon Server Modpack
A modpack for the Createmon MC server, adding Create, Cobblemon and performance mods!
abc: modpack
A lightweight, modular collection of resource packs, datapacks, and mods from the ABC collection. Designed for simplicity, performance, and vanilla-friendly enhancements.
FPS Perfected Lite
This is a light version of the FPS Perfected modpack. Maximize your game's speed!
Vanilla In Perfection
A modpack that enhances Minecraft, while keeping that Vanilla-Feel.
PurePerformance
An Optimalization modpack just for your needs. Made for Low and High end PCs too
DeveloperMCP
Turn your Minecraft server into an AI-controllable powerhouse. Control Spigot/Paper servers directly from Cursor/Claude via Model Context Protocol (MCP).
Atzlk MC: Create Official Modpack
Official Modrinth Modpack for create.atzlk.com 1.21.1 NeoForge ProtoManly's Weather Mod & Create SMP
Auction HouseX
A fast-paced, player-driven auction house built for competitive servers. Buy, sell, and flip items instantly in a clean, high-performance GUI. Designed for Paper servers, this plugin keeps the economy moving and the profits flowing 🔥
straithyy modpack
optimizes your minecraft for the best fps & latency possible

Kineti-craft: high-tech
a modpack for kineti-craft season 2
Create: Physics And Aeronautics [Server-Side]
A Create modpack centered around physics, roads, and vehicles, featuring planes, cars, trucks, and more.
Port Bridge
PortBridge is a server-side utility mod that automatically makes your Minecraft server publicly joina
Potato PC Optimizer
My Potato Optimizer can boost your FPS to around 200–400 FPS, depending on your PC specs, Minecraft version, mods, and settings. It's designed to maximize performance while keeping gameplay smooth.
Skybound Chronicles
A private modpack for me and my friends, built around Create and Create: Aeronautics at its core — featuring airships, mechanical contraptions, and a handpicked selection of mods for an immersive experience.
Horrendously optimized
The absolute limit of Minecraft performance. 1.21.11 optimization and custom aesthetics.
Advanced Admin GUI Tool
Best Free Minecraft Gui Administration Tool Plugin
Cordless
Removes the ability to view coordinates on F3
NoFullBright
Paper plugin which executes a command when it detects a player using full bright texture pack
Create Zombie Apocalypse
Combines Create mods with zombie apocalypse
Cobblemon WITH LYRICS
A simple Cobblemon and Create modpack with a variety of performance, QoL, worldgen, and aesthetic additions
Pleasantly Vanilla! (More Chunks!)
This independent version of Pleasantly Vanilla keeps all the features and mods from the original version, but adds chunk features & optimizations, ex. Voxy while still keeping FPS high and memory low! mid-high range systems recommended
Faster Quality
Faster game and better quality at the same time!
TitanLogin
This version includes platform update