Minecraft Java 1.21 Mods
Browse 857 free mods for Minecraft Java 1.21 — popular picks include Not Serious Bare Bones Mod Compat, Tub's Status Plugin, OutlineX.
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Not Serious Bare Bones Mod Compat
Bare Bones Compatibility for Various Mods! Wood Armor, More Ladders, Pure Copper Tools, Wheelbarrow, Amethyst Equipment, Inmis, Bronze, Copper Golem, Simple Copper Pipes, Basic Weapons, Snow Pigs, Nears, Nemo's Creatures, Sandwich Mod, and more!
Tub's Status Plugin
Just a simple Status Plugin that (should) work
OutlineX
OutlineX is a lightweight Minecraft mod that highlights blocks with smooth, customizable outlines.
Create: Mind the Gap
Adds simple station sounds for Create trains.
UsefulDecor: Interactive Craft
Adds functional decorative blocks including storage chests, oak windows, and lockable doors that enhance base security.
Charcoal to Dye
Craft Black Dye from Charcoal
Better Elevators Mod
Adds (mostly) realistic Elevators to Minecraft.
Nature Paths
Nature Paths – Enrich your world with new flowers, natural structures, and decorative details that make every exploration more beautiful and unique.
Metalmancy
⚙️ Metalmancy – Forge or Channel the Power Metalmancy is a Minecraft expansion mod that challenges players to choose their path: Will you harness the raw arcane energy of ancient relics… or smelt them down to fuel industrial progress? Deep beneath the ov
CoffeeG's Awful Lightning
Struck lightning on players more oftenly, can create fun & surprising deaths with lightning bolts.
RXB-Kit
Lightweight 16x16 building mod. Also nuclear power!
Sheetmetal Planes
This is a tiny mod that adds all blocks under the forge:sheetmetals tag to the list of materials for Simple Planes. This includes decorative sheetmetal materials from popular tech mods like Immersive Engineering.
AntiSeedCracker
Protekts your server’s real seed by providing fake seeds to clients and blocking seed-discovery commands. Fully optimized for Folia.
PySpigot
A Python scripting engine (plugin) for Minecraft servers running Bukkit or one of its forks (Spigot, Paper, etc.).
MxSxC1 Time Machine Textures
Time Machine Texture Pack (Alpha) - For use with our other packs. Parrot/ Spyglass Scope / Blocks / Mirrors / Multiple Blocks / Invisible Glass This is for use with the The Time Machine Data Pack Moon Phases.
Tech Decorators
**Tech Decorator** It is a module that leans towards "technical decoration" for decorative purposes. At present, most of the content in this module is not yet interactive
FNAF Dreams and Nightmares (Work Game)
Mod will recreate the creepy atmosphere of FNaF 4
Bedrock Mods
This mod, which has never been seen before in Minecraft, shows how to produce bedrock., Thanks to mod, tools and equipment can be made from bedrock.
Expressions Provider
Add MiniPlaceholders placeholders for complex mathematical and text expressions
Create: Diesel Generators x TFMG
a texture pack for create: diesel generators that makes its engines look like they're from create: the factory must grow
Random Hotbar Select
Adds the ability to automatically select a random hostbarslot to create random block patterns. You can press the Keybind (default "k") to toggle this feature. If enabled it selects a random slot (0 - 9) on every item use (right click).
More Biome Coloured Blocks
Moss, Azaleas and more made biome coloured!
Everwinter
Modfest 2024 Entry adding the Iceologer and Snow Machine
Military Tanks & Helicopters
Drive tanks and fly helicopters with full interior views, weapon systems, and fuel mechanics
Create: Blahaj Factory
Create: Blahaj Factory adds more compat between Just Blahaj & Create to automate your shark friends! (Also Compatible with Only Blahaj)
Cosmos Decorations
A lightweight mod which adds various decorative blocks.
Create: Deco Generators
A illegal way to get create mod blocks [ Asurine, Crimsite, Ochrum, Veridium ] same as vanilla cobblestone generator

Fancy Tags
Simply put images in chat. No resource pack needed.
Terraspread - Spread Biomes
Spread biomes across biome borders with a new craftable item
Vanilla+ Radio
Это мод для лора на проекте SVSP: Server Vanilla+ Secret Project! This lore mod on the SVSP: Server Vanilla+ Secret Project!
FLAGS
A server + client side mod which adds a number of flags to the game
NotzScoreboard
A multi scoreboard plugin for staff, ranks and VIPs with multi-line system and animation support. Fully customizable.
Grow Your Crystal
This mod adds a way to grow your own crystal blocks, with customizable colors and effects

InvisibleKiller
InvisibleKiller is a lightweight Paper plugin that replaces death messages when the killer was invisible, preventing players from knowing who killed them.
Core Teams
CoreTeams is a lightweight, modern, and highly configurable team management plugin designed for Spigot/Paper servers (1.20+). It features unique gradient-based team visuals, string-based IDs for custom team names, and a comprehensive admin GUI.
PlayTime Forever
PlayTime Forever is the definitive Poppy Playtime mod for Java Build a factory with some of the most remebrable toys of the "Poppy PlayTime" universe