Minecraft Java 1.21 Mods
Browse 126,370 free mods for Minecraft Java 1.21 — popular picks include The Den: Vanilla Valleys, MyPvP Survival, Llce's Optims.
Step by step: How to install Minecraft Java mods & modpacks
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The Den: Vanilla Valleys
A tweaked variation of Fabulously Optimised, tweaked for Voice Chat, Player Models, VR, and UnSilk.
MyPvP Survival
Modpack for the Survival Project of the MyPvP.me Network
Llce's Optims
Optimizations Perfect For Hardcore Series
Pal's Palette
It is a project(mobpack) for bubble launcher
Kurdistani
Kurdistani is a rescource-pack which makes minecraft more kurdistan themed.
Craftable Small Dripleaf
Adds a crafting recipe for the small dripleaf
Nomadic Realms
Nomadic Realms offers a primitive survival experience. Logs are tough, so use flint; but wood tools are extra weak. Chests, furnaces, and loot must be found with exploration. Death randomizes respawn, but the new Ender Chest is now vital for all valuables.
Create_Infinite_Factory_client
This is a Minecraft modpack based on Create, with Farmer's Delight (and its add-ons) as well as Create add-on mods as the main components.

Bisexual Pride Flag Tooltip (Frame-only Alt-BG Tricolor Turned)
Changes the Minecraft Tooltip to a Bisexual Pride Flag (Frame-only Alt-BG Tricolor Turned) – Part of the Pride Tooltips collection.
ZatrixLagX
Lightweight lag remover & optimizer plugin
Better Vanilla Cobblemon
A Cobblemon focused modpack focused on roleplay. Featuring QoL for both Cobblemon and base minecraft.
AutoCraft&Block list
This mod will allow you to craft items automatically without laying them out, as well as switch between interfaces.
Kiwi Customization
a tool for creating game content from Excel/Google Sheets/YAML.

Chestnut - Discord Webhooks
Track specific blocks and send fully customizable Discord webhook alerts when they’re used, opened, or interacted with.
Enguy SMP
The community server of the Glendus ! The Enguy's community.
WarFmod
A mod that adds new mobs and bosses to your world, as well as new features and items.
nixGodArmor
Adds custom "God" gear with maxed enchantments to your Minecraft server.
Hoshikima
This mod introduces several practical utility items that enhance vanilla gameplay with streamlined functionality and fluid mechanics
Transparent Bow
Resource pack that makes your bow transparent!

WhoPack
A Vanilla+ modpack that adds a few visual additions, building blocks, vanilla faithful textures, and more!

1.20+ Title Fix Pack for KLxier PVP
Fixed Title & Smithing Table GUI in 1.20+
RxTPA – Premium Teleportation System
Built for speed, safety, and style.
QOLpack
Adds a few cool features and boosts FPS (by a little bit due to the modpack size).
VulkanMenu - Open Source
Create menus flawlessly
ShamboQ
Lightweight Queue Plugin
Simply Dark Mode
Adds a new dark mode to Minecraft!
N.A.N Vanilla Experience
N.A.N Vanilla Experience expands vanilla features by adding new blocks, items, world generation, and mobs while preserving the original aesthetic and gameplay style, with QOL features most of players need.
MxSxC1 Passive Mob Invulnerability
This pack will make passive mobs Invulnerable. They cannot be killed, take damage, or be attacked. It also has a bonus mount "Shadow Step". This is designed for younger children who may be upset at the death of innocent animals, but will be expanded.
Sign Editor [Skript]
Skript, sign, edit, Skript
NotOminousSpawners
Simple plugin that removes Ominous status from Trial Spawner when it goes to cooldown.
PWNR Gang
Vanilla with a bit of spice!
MiningBoost
Receive temporary haste effect when you break things.
CraftBoost
Receive temporary regeneration effect when you craft something.
FarmerBoots
Leather boots prevent trampling of farmland blocks.
DoubleSlabMining
Split double slabs into singles with precision breaking.
zSortChest - Sort your chests easily
No more lag with huge sort chest system !