Minecraft Java 1.21 Mods
Browse 126,938 free mods for Minecraft Java 1.21 — popular picks include IceTrail+, the candy mod, Sapphic Pride Flag Tooltip (Tricolor Turned).
Step by step: How to install Minecraft Java mods & modpacks
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IceTrail+
FrostRunner Abilities gives you powerful items like Ice Trail, Boat Spawn, and TNT Summon
the candy mod
the candy mod adds cool candy themed armor and tools to the game and adds a candy food item

Sapphic Pride Flag Tooltip (Tricolor Turned)
Changes the Minecraft Tooltip to a Sapphic Pride Flag (Tricolor Turned) – Part of the Pride Tooltips collection.
ByteSessionRestore
Manages automatic player session storage and restoration.
AdamLTs resource pack
A resource pack that makes the totem of undying my mc skin
JayAnvil
Tired of plain item names? My plugin lets you personalize your gear a bit more by adding `&` as well as HEX color support when you rename stuff in anvils.
Finger Block
This Resourse Pack Change The Bedrock to you middle finger block
SqReport
Easy for use report system with gui and data storage
VFAutoSmelt
Modern Auto Smelting Plugin for Survival Servers

nazar's headibles
adds edible player heads to the game. they look like food and eat like food and act like food. but because they are heads, they can be placed like furniture to make in-game decoration food.
Back to Vanilla
Removes leaflitter,falling leaves etc.
BlackCat's Food Mod
A cool food mod made by @BlackCat13_666
TG-TNT | Advanced TNT Customization
TG-TNT is a dynamic and feature-rich TNT customization plugin for Minecraft servers
Chain Accessories
Wear chains like a boss
Throwables RP
Adds a throwable tomato and a throwable brick to the game!
edited models that may or may not be better (proof of concept)
"optimized" block models that I'm not sure actually make the game run better.

Smoofy's Books
An enchanted book resource pack. Each book tries to illustrate what the enchantment does.
SimpleCrossChat
SimpleCrossChat enables easy and global chatting across Minecraft servers using MQTT.
3D osu! logo
A Minecraft resource pack that adds a 3D osu! logo model by renaming a stick to "osu" using CIT Resewn or OptiFine.
Way Compass
This datapack adds a new form of compass that allows teleportation to a lodestone.
BulletManhunt
A Simple And Light Weight Manhunt Plugin
Tungsten Cube Projectile
Adds a tungsten cube to the game that does way too much damage when thrown
TreasureHunt 1.0
Turn your server into a world full of hidden riches
ByGoldVault
Towny is a plugin that turns gold into money for your survival skyblock server!
Spawn Sunflower Fix
You can craft vanilla sunflower from Spawn's one
Aon armùr
A datapack that removes armor from the game
Pomodoro
A highly customizable, GUI-driven Pomodoro timer to help players manage their time and stay focused in Minecraft.
HaB
Minecraft Server Plugin for custom Join and leave Messages.
Orewell
Plugin to track players breaking naturally generated blocks. Works with block IDs and tags!
EasyProtect | Simple, Fast & Intuitive Land Protection
"Claim, Configure, Control — All from a Simple GUI."
⭕ AdventGuard [1.20 - 1.21.7] ⭕
Protects you from hackers or server bots!. free plugin !
The mod of epicness
Adds epic face to minecraft!
Ceramic Outposts
Be able to Create Survival Like outposts for your Server!
Oak2Spruce
"Oak2Spruce" is a texture pack that swaps the textures of oak and spruce logs and wood.
BetterSS
ScreenShare plugin
TomieProfiles
Use the same account to connect several times to the same server