Minecraft Java 1.21 Mods
Browse 335 free mods for Minecraft Java 1.21 — popular picks include sloptimizer, NullPointerEntity (Optimized), SSaVS MOD.
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sloptimizer
optimizes minecraft's startup time and resource reload time
NullPointerEntity (Optimized)
This modpack is for my horror mod, NullPointerEntity. It includes many optimization mods as well as QOL mods.
SSaVS MOD
Server Security and voting system - add custom ui (not inventory) and way to PAPER servers block ANY mods/rp in client. Support ONLY for 1.21.4
Carpet AMS Addition: NeoForged
Unofficial Carpet AMS Addition Mod port for NeoForge
Half Heart Hardcore (HHH)
All it does is set the player's max health to half a heart. It works on any player that joins the game later. Optimized to the max
KittyClient
A Client Side Mod for Hypixel Skyblock adding some useful and many fun features.
Veil of the Unseen
Blinds the user and allows them to sonar-ping the environment for seismic vision.
Grandia Dungeons [Modpack]
A dark fantasy dungeon roguelike modpack with bosses, classes, cursed loot, magic, custom UI and atmospheric progression.
CurseCraftSMP
this is my personal modpack that includes many things such as barrel roll and other cursed mods!
Devil Ultimate Pack
The ultimate texture pack for SMP, PvP, and survival gameplay. Clean visuals, better clarity, enhanced aesthetics, and an optimized Minecraft experience.
Nerflytra - Nerf elytra boosting
Disable or discourage using rockets while flying, performant and configurable.
Echoes Of Insanity
Echoes of Insanity is a high-performance, atmospheric psychological horror plugin designed to turn your Minecraft server into a waking nightmare.

Conger Eels Plus
Replaces salmon with goofy eels, now remastered [OPTIFINE] REQUIRED]
AutoServerUpdaterX
Automatically updates the server to the latest build for your version
NoOverlays
Disables all overlays.
CorruptionCraft
A plugin that challenges players. Random events can occur. (no Spoilers!)
The BanHammer
A banhammer for server when you hit a player it insta bans then forever!

floor(IT)
shader that floors EVERYTHING except block entities
NoAdminLogs
Prevents console-logging for requiring-administrative-permissions commands
NoSpectatorsChunks
Prevents players in Spectate mode from generating chunks
BubbleVillager
BubbleVillagers (formerly VillagerOptimizer) is a powerful performance optimization plugin that
CircleCraft
CircleCraft is a shader that makes everything dots, it looks simalir to a comic.
Cold as Ice
Un-meltable ice & snow! Very configurable

Accelerator wand
添加加速手杖以自由的永久加速某个方块或区域。Adds accelerator wands that speed up single blocks or selected areas with persistent, configurable multipliers.

Craftable Light Block
Just DataPack add recepie for light block
LiteVillagerTrade
A high performance, Folia ready shopkeepers like trading plugin for Minecraft servers.
Qiqi the baby zombie
Changes baby zombie to Qiqi from Genshin Impact. Requires OptiFine.
Better Spawn Eggs craft
This data pack adds the ability to craft spawn eggs and spawners
Mod That Closes The Game When It Opens
The mod that closes the game when it opens.
Everyone baby
A datapack that makes all mobs become a baby, even those that can't in the basegame. Use this datapack if you want the cutest experience :D.
Silverfish? NO! Ants!
Ants instead of Silverfish (OptiFine required)
Panorama Studio
Lets you captue a position in a server then make it your loading screen background via a resource pack. Work's with Free cam, Bobby, Voxy/Distant Horizons and Iris shaders
Craft & Gone: Single-Use Crafting Tables
Makes crafting tables break into thin air when you craft one item, AKA single use crafting tables.
Farting Blocks
Farting Blocks adds hilarious "immersion" to Minecraft. Breaking blocks or sprinting now triggers random fart sounds and gas cloud particles. It features a built-in cooldown and randomized pitch for high-performance, non-stop fun.
Structure Overload
Transforms your Minecraft world into an endless sprawl of structures, spawning vanilla dungeons at every step without compromising game performance.
LuminolOptimizations
Supposed to be a performance and memory optimization plugin for my Minecraft server (LUMINOL)