Minecraft Java 1.21 Mods
Browse 1,710 free mods for Minecraft Java 1.21 — popular picks include Rotwire, Materia-Reborn, Cobblemon // Project: Spacetime.
Updated daily
Rotwire
A Zombie Survival take on Minecraft with infested cities. Establish a radio connection with the survivors to maintain your ammunition and resource supply. Migrate from town to town as their difficulty scales with your activity within each of them.
Materia-Reborn
A progression-focused Minecraft transmutation mod inspired by ProjectE, featuring Essence, upgradeable tables, rituals, storage, and smelting systems.
Cobblemon // Project: Spacetime
A Cobblemon side-mod that adds space-time distortions to Cobblemon, inspired by Pokemon Legends: Arceus.
Losstupidoz Expanded
A medium-weight modpack that enhances Minecraft with QOL upgrades, performance boosts, and expanded gameplay and world generation. Discover new mechanics and richer exploration for a fresh yet familiar experience.
ElytraRemover
remove the elytra from the item frames in the endcity's boat
Tales & Taverns
Tales & Taverns: A Cozy RPG Experience A lightweight Fabric modpack that blends beautiful world generation, deep farming/cooking mechanics, and casual RPG exploration.
NLYB: Looting and Exploration
Shrink and store entire dungeons, temples, and villager houses then loot them safely from your base. (Never Leave Your Base)
Okil6's biome dimensions
Every Biome In Minecraft Is A Dimension!
The Lost Levels
The Lost Levels is a Backrooms-inspired horror and exploration mod that adds several liminal dimensions to Minecraft.
Pixelmon: No More Ultra Space
No More Ultra Space [Pixelmon Sidemod] removes Ultra Space and wormholes for good, relocating every Ultra Beast into matching overworld biomes with beast chests, horde battles, and ultra terrain blocks all aquirable from the overworld.
Isolated Creative
Lets players teleport to a completely isolated creative world that is separate from the main world
how low can you go
Rewards you for going deeper in the world with increase spawn rate of ore except diamonds

ScaleSpawn
This add-on will make the selected entities spawn with random sizes using the scale attribute, also, you will be able to set custom damage, speed, life and drops according to the size.
Echoes of the World
Echoes of the World transforms Minecraft into a living world that reacts to your actions. With an echo system, dynamic events, and erupting volcanoes, every game becomes unique.
NetherWaterPlacement
NetherWaterPlacement is a lightweight plugin for Spigot/Paper servers that integrates with permission systems (LuckPerms, PermissionsEx, etc.) and allows selected players to place water in the Nether dimension.

Neko
A paper plugin that provides many features such as to create custom items or blocks
A Minecraft Movie Soundtrack
Adds the full Minecraft Movie soundtrack to the game as music discs, found by trading and in some chests.
Fulfilled Longing
A Pre-1.17 World Gen Datapack
OPLoot
Customize the loot in every structure chest
Aqua Verse
AquaVerse expands aquatic biodiversity of minecraft
Unearthed (Unofficial Port)
Configurable underground stone/ore generation & more stone types! Better caves & cliifs!
TNT More +
Adds new TNTs, ores, tools, armor, blocks, materials, and custom mobs to enhance your Minecraft adventure.
UndergroundViewDistance
A lightweight plugin that reduces per-player view and simulation distance when players go underground, then restores them automatically when they return to the surface. could it be considered donutsmp like i dunno
Living World: Seasons & Ecology
Living World: Seasons & Ecology dynamically simulates Minecraft’s environment with changing seasons, ecosystem regeneration, and responsive wildlife behavior. Player actions directly impact the world, affecting resource regrowth, animal activity
Bingus SMP Content
Extra content made for the Bingus SMP.
Starfall Events
Witness falling stars streak across the sky, crash into the world, and leave behind star shards and craters.
Dungeon Loot Configurator
Adds datapack-driven loot-table integrations that allows loot -tables to add things into other loot-tables
Colorful Eyeblossoms
Adds eyeblossom variants that naturally appear to the rest of the 15 dyes!
Hotter Mania
Mod updates savannas, deserts and badlands
Heartcore Mode
A Gamemode easier than Hardcore but harder than Survival. Ten Lives, lose a heart on death. Enjoy! Icon was originally made in Icons8 but then altered by me.
Onechunk Odyssey
Onechunk Odyssey starts you in a single playable chunk surrounded by void. Complete quests, earn Chunk Expanders, and choose where your world grows next.
Smeshariki: Otherworld
A mod featuring diverse space content in the spirit of Galacticraft.
Sweet Apocalypse Biome
Dive into a world transformed by confectionery chaos with the Sweet Apocalypse Biome mod!
Plants Control
Hide chosen plants and interact through them for a clearer view.
uiinpui's QoL Enchantments (legacy version)
A version of uiinpui's Enchantments (legacy version) that only has the Quality of Life Enchantments.
NoSculkSpread
NoSculkPlugin is an anti-grief Minecraft plugin that disables Sculk Catalyst propagation and prevents Sculk block growth. It helps server admins stop unwanted Sculk spreading and includes the option to toggle console messages for better monitoring.