Minecraft Java 1.21 Mods
Browse 510 free mods for Minecraft Java 1.21 — popular picks include OnlyWaypoints, Keybind Viewer, Tweaked Creative Menu.
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OnlyWaypoints
A Minecraft Fabric Mod that adds bloat-free Waypoints with a Vanilla feel to the game
Keybind Viewer
A PvP utility mod that shows you the keybinds for each slot in your hot bar!
Tweaked Creative Menu
A mod that improves the creative menu, including animations and sounds, which can be configured, along with data driven item groups! (Fork of CreativeMenuTweaks)

CreativeUtilities
Collection of a lot of tiny features that help with building
Routes
Physical roads generated in world-gen that connect your world's structures - named routes, towns and areas, with waypoints and full Xaero map integration.
Map Tools
Essential utilities for creating maps or building. Create smooth animations, realistic message printing, resource pack management, block display tools, danger command checker, position saver and much more
MariesLib
MariesLib is a shared NeoForge 1.21.1 library powering Marie’s mods. It provides runtime item classification, mod compatibility discovery, registry infrastructure, and developer utilities
CPvP Utilities
CPvP Utilities is a Fabric Client-side mod designed to enhance the Crystal PvP experience, providing a set of utilities that streamline and simplify common combat interactions, all configurable through an in-game ClickGUI.
speartweaks
this project adds a bunch off spear pvp QoL stuff
Core Utilities
A futuristic tech-meets-automation mod for Minecraft, designed to expand the game’s core functionality with high-efficiency tools, modular machines, and directional logic systems.
Crystal Flow
⚡ Instant inventory sorting built for CPvP speed, clutch moments, and time efficiency.
Hollow's Tweaks
Some very funky additions
Zenith Client
A utility mod, specialized for PVP
PearlTweaks
Plugin designed to enhance the mechanics of Ender Pearls.
AutoShieldStun
🛡️ AntiShield Mod A lightweight client-side utility mod that improves combat efficiency by helping you deal with shield users more effectively.
Yakchancement patch
A patch for Enchancement that tweaks the custom durability removal logic to only apply to enchanted tools
Mechanical equation GUI Add-on for EMI mod
This is an add-on for Mechanical Equation GUI pack,It made unique textures for most of the GUI images of EMI mod.

Tweaked Trials
A few tweaks to Tricky Trials update, including repeatedly openable vaults and entity particles
Thoughtful Recipes
Not just your avarage recipe tweaks datapack.
Shockwave Enchantment
Part of the Minecraft Tweaks collection, this adds the Shockwave enchantment! An AOE alternative for the mace.
Simple Survival Tweaks
A mod that allows you to tweak various aspects of your survival world
FrontCore
BlockFront add-on that allows for better custom servers. It is essentially a remake/recode of Front-Utilities with a lot of additional features and Embeddium support.
Clubtimizer
An (unofficial) utility mod for mcpvp.club
NotchArrowUtils
An All-In-One Fabric Utility mod for the latest Minecraft versions.

Player Locator Settings
A datapack that gives players control over their locator waypoint
Gardening Tweaks
A handful of flowery additions to Minecraft's gardening mechanics!
Tweaks
Change some values in Minecraft using gamerules
kutils
A collection mod of client side qol features and tweaks from older pvp mods but for 1.21+, with unique skyblock and ui features.
EndraQuest Tweaks
Fixes LevelZ skill requirement bypass bugs, prevents Ancient Debris duplication, and limits mob farming exploits.

Front-Utilities
A utility mod for BlockFront
Delta-calc
DeltaCalc is a client-side utility mod for Cobblemon Delta that adds an in-battle damage calculator, expanded battle overlays, richer tooltips, and team indicators. It helps players read battle state faster and make better decisions without changing Cobble
FoxSMPUtilities
SMP utilities plugin, that allows you to disable pvp, griefing, netherite craftings, dimensions, elytras, change pearl cooldowns, nerf end crystal damage
Fruitbridge
This mod contains Fruitbridging utilities to assist players. Features are designed for both the Distance and Java 12b leaderboards.
Lucid Mod
LucidMod is a clean Fabric PvP utility mod with a cool click GUI
Nice Creeper Tweaks
Makes Creepers more interesting.
Mouse Tweaks x ItemLocks Compat
Adds compatibility between ItemLocks mod and Mouse Tweaks