Minecraft Java 1.21 Mods
Browse 129,771 free mods for Minecraft Java 1.21 — popular picks include Aptissima, Simple Player Logger, custom-crafter.
Step by step: How to install Minecraft Java mods & modpacks
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Aptissima
Totems by the nicknames of the ElectroPlay server players.
Simple Player Logger
Simple program that logs player joins/leave events, chat messages, and commands to a file.
custom-crafter
custom-crafter provides very customizable recipe's API.

Better Stone Crafting
Adds a variety of new ways to craft and recycle all types of stone blocks!
Crushing Hammer
Universal hammer mod for all GoldenMaus's tools mods
Spectral Mod [Basic]
Add new ore to The Nether. Spawns in Blackstone. New Equipment, tools, items and blocks.
loan debt totem
changes the immortality totem to a debt document
Glowing Caves
Everyone is suffering from the dark and that includes you too. This mod not only fixes this problem, but also adds glowing grass which spawns in a new cave biome glowing caves!

Blue Tooltip (Frame-only Monochrome)
Changes the Minecraft Tooltip to be Blue (Frame-only Monochrome) – Part of the Pride Tooltips collection.
Exp2bottle
Allows players to obtain experience bottles in an alternative way by using their own accumulated experience.
New Door
Updated textures for doors and hatches
Perfectly Fast
Only mods made to boost your performance

Only Down Challange
A mod that challenges you by preventing you from going down. Small knockback is allowed, as without it, the challenge would be too difficult. This idea is inspired by the German YouTuber BastiGHG.

Bats N' Berries
A very silly mod to make bats and glow berries more useful.
PoweredTrims - Custom Effects & Attributes from Armor Trims!
Turn decorative armor trims into powerful gameplay elements with 198 unique combinations, each with
redstone-refined
A redstone-focused modpack with building tools and performance improvements. Build complex systems lag-free.
Weather Shower
A mod that shows part of the day or the weather
vanilla modpack
modpack created for maximum experience
PolarBooks
Allows you to dynamically add commands that open customizable book GUIs

Mod Toolkit
Yet another toolkit for EMC.

Simplexity Simple Server Links
Easy way to add server links to your server accessible from the client's menu screen
Just Short Swords
Minecraft with short swords nothing fancy
Redstone of Undying
This Ressource pack changes the default totem into a slightly modified Redstone dust!
Ender Cats
Adds some cute Ender Cats to Minecraft!
Aperture Pack
Resource pack for the Aperture project.
KeniUtils
A lightweight Spigot utility plugin for "vanilla" servers — dimension color system, chat, AFK tags, and more.
Easter escapade
cool modpack giving some easter related features and giving that overall relaxing spring feel
CropProtect
Everything about plants and gardening.
Hearts For Food
Get extra hearts for the food you eat!
Disable Farmland Trampling
Stop people from breaking your crops by jumping on them
TOMC - CreeFern
Why would a creature self-destruct as a means of attack? To reproduce!
Experience Bar Health Indicator
This mod utilizes the Minecraft experience bar & level text, to display the HP of entities that you are looking at (toggleable).
Kelp to Slime Ball
turns seaweed into slime ball
Ranold's Better Squids
Improves Minecraft squids!
Turas
A minecraft mod that adds a lot, including lore and magic...
Kyo's Big Bat
Adds a bat weapon to the game that makes a bonk sound