Minecraft Java 1.21 Mods
Browse 323 free mods for Minecraft Java 1.21 — popular picks include PySpigot, FNAF Dreams and Nightmares (Work Game), Cobblemon BattlePlus.
Updated daily
PySpigot
A Python scripting engine (plugin) for Minecraft servers running Bukkit or one of its forks (Spigot, Paper, etc.).
FNAF Dreams and Nightmares (Work Game)
Mod will recreate the creepy atmosphere of FNaF 4
Cobblemon BattlePlus
A server-side Cobblemon battle system mod for creating Battle Factory, Battle Tower, Battle Points, and configurable Trainer NPC battle content
GoldFarmFix DataPack
Bring back the old (pre 1.21.5) Zombified Piglin death behaviour, re-enabling exp and rare drops when killed by the environment while aggroed
Customizable Dragon AI
Useful Datapack to customize the Ender Dragon's AI
Finetunned Weaponry
This mod offers ALOT of new Items with unique effects
Profitable
Dynamic economy with real supply and demand by using an exchange system!
More Rules
More rules is a plugin and mod that provides extra GameRules to allow fine-tuning of features on your server, while keeping it as vanilla as possible!
Redstone Robot
Redstone robots that recharge with redstone, can follow you, attack hostiles mobs with bows and a iron swords!
Create: Back Off!
Keep entities at bay and stop griefing
Sniffer Exploited
A plugin that aims to make Sniffers actually worth having in the game.
Simple Spikes
Simple Spikes adds easy-to-craft spikes for efficient mob farming and trap creation.
Creatures Dominion
This is a mod that will have a lot of animals and even extinct ones. It is not released yet and neither finished. Please give suggestions and report bugs to me please! I hope you enjoy the mod!
HP Bar Plus
HPBarPlus is a customizable client-side mod for displaying health above players\entities.
Carpet Sky Additions - Create compat
This datapack simply adds a way to obtain zinc ingots, andesite alloy and dried kelp almost on the start.
More Villages Datapack
Adds more villages to the game.
Antideath-Carpet-addition
Antideath-Carpet-addition is a Carpet Mod extension for Fabric Minecraft servers (versions 1.21.x - 26.2) designed to enhance and optimize the game experience. It adds a suite of new loggers for server monitoring and game rules for survival, optimizatio
VillagerRefresher
Refresh your villagers' trades without breaking their workstations!
UltimateHealthDisplay
Player and Mob health display plugin 6 different styles and fully configurable which style to use......
Kopeyka's Bunker Mod
A mod about nuclear and bunker things.
Golem Nerf
Replaces iron dropped from golems with nuggets!
Kappa's AntiCheat
A lightweight Fabric anti-cheat designed for high performance on large-scale servers.
Core Companion
An owner-bound AI companion that chats, remembers, builds a relationship, and runs survival tasks with Baritone path finding — local or cloud AI, optional voice and vision.
Don't Kill Friends!
Protect your tamed animals from damage, even when you're offline! Lightweight plugin with HEX color support and full configurability for Minecraft 1.16.5-1.21.11.
Farms
Increase crops growing speed, autocollect crops. Collect drops near the minion and more
PlayerBatch
PlayerBatch is a Minecraft mod by W4Whiskers that depends on Carpet and allows you to summon multiple bot players at once. It supports up to 256 bots by default, with the limit configurable in the config files.
LagShield Ultimate (Anti Lag)
The intelligent performance modulator for Minecraft Server. LagShield Ultimate uses Arclight-safe async processing to dynamically regulate mob AI, chunk density, and entity speed based on real-time server stress (MSPT). Stops lag before it happens.
Ultra Chunk Collector
⚡ The Ultimate Chunk Hopper - Instant Item Collection & Stacker Friendly! ⚡
Infested Netherrack & End Stone
INFESTED Netherrack & End Stone to End and Nether Dimensions with Spawn Mob System (Endermite and Blaze) (infected)
Scaling Difficulty
Scale mob statistics based on time/distance traveled in the world. Port from Globox's RpgDifficulty
Ben's Monster Energy Mod
All the Monster Energy you could ever want... and Beer too for some reason.
Upgradeable Iron Golems
Craft upgrades for iron golems to unlock new abilities or just improve their stats.
PaperTweaks
A better-performance replacement of the popular VanillaTweaks datapacks, in plugin form.
NeoGuanNiao
Neo Guan Niao adds a living bird ecosystem to Minecraft, featuring realistic behaviors, individual bird traits, breeding, nests, bird guides, and immersive wildlife interactions.
CrashPanel | CrashCore
The ultimate No-Code engine. Elevate your server with hot-reload, node-based event scripting, plus full model and particle editors in one intuitive interface.
Lag Detective
Lag Detective is a lightweight diagnostics mod that helps answer where the lag is coming from.