Minecraft Java 1.21 Mods
Browse 759 free mods for Minecraft Java 1.21 — popular picks include Seasons API, CobbleTypes Master, Health Enchantment.
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Seasons API
API for creating your own seasons, weathers and challenges!
CobbleTypes Master
The Ultimate Pokemon Type Utilities in minecraft and cobblemon! Type Chart, Team analysis, Scanning and much more!
Health Enchantment
New enchantment that, when applied to armor, lets you get more health.
Overgrown's Sync
A system for yielding new capabilities. Sync is an addon for the Apoli mod that's used primarily for the Origins mod!
BukkitFabricLoader
A Fabric mod that allows Bukkit/Spigot/Paper plugins to be loaded and run on a Fabric 1.21 server.
Lite2Edit
Lite2Edit is a small Fabric mod that lets WorldEdit open Litematica schematic files (.litematic).
EzEconomy
Modern, fast, and flexible Vault economy provider for Minecraft servers. Supports YML, MySQL, SQLite, MongoDB, and custom storage. Multi-currency, async caching, and robust permissions for any server size.
Dreams Speedrunner Swap + Task Master
Three iconic Dream challenges in one plugin: Speedrunners vs Hunters, Multi-Runner Control Swap, and the new Task Master mode. Experience all of Dream's most popular Minecraft challenges with customizable features, team management, and seamless gameplay.
Player Motion
Explosion-based library that uses subtick timing to ensure that only one player is pushed by the blast without any side effects.
EnhancedVelocity
Customize your Velocity network experience
Hollow Engine
Powerful content creation framework for modpacks maps and servers. Features Kotlin & Katari scripting, in-game scripting IDE, advanced NPCs, dialogues, animations, and cutscenes all in one.

morpher
A mod that changes the player's rendering to whatever you want using geckolib
Deltapack
A deltarune datapack adding content from dark fountains and dark worlds to the roaring knight. As well as items and spells like snowgrave and the shadow mantle.
RandomDirtDrops
RandomDirtDrops is a fun Minecraft data pack that makes breaking dirt blocks drop completely random items from the entire game — from diamonds to dragon eggs! Perfect for chaotic survival challenges and OP item speedruns.
Unbound Third Person
360 Free-Look Camera Mod for Fabric, Forge, and NeoForge

Protect
A WorldGuard-like, modern world protection plugin made for API usage
Gun Core Fancy's Patch
A modification of Gamingbarns Gun Core made to have extra capabilities, while being compatible with normal gun core
MIDWUT
the Most Important Datapack With Useful Tools — Datapack core and library, for some datapacks to work
fairy
Fairy is a compat & open-sourced Framework made with love <3

Silicate
A library providing powerful client-server-agnostic predicates with a simple API.
Netherite Disabler
Admins can enable/disable a specific Netherite Crafting recipe with a GUI
1HP Challenge
1HP Challenge, without the ability to resurrect even using commands.
[Cobblemon] TrainerAttributesLib
Integrates Minecraft's attributes with Cobblemon.
Chat-With-NPC
Chat-With-NPC allows players to freely chat with NPCs, who will answer questions based on his setting (Basic Prompt) and the setting of their Groups (Nation, City, Town ,etc.). Suitable for RPG maps or puzzle maps.
Visual Novel Framework
A Visual Novel framework. Supports custom scripts and features a python based DSL for scripting.
Eclipse Core Client
This project's core functionality is to enable double battle gimmicks in cobblemon clients, it servers other purposes as well to enable 4v1 raids on servers that create their own mods. Additional functionality will eventually be added.
Luna's Keep Inventory
A keep inventory mod/data-pack with customization in mind!
Physical Vehicles
A REAL physically accurate vehicle simulator on a datapack! You can arrange physical races, drift challenges and RPG situations!
EternalCore
EternalCore is a modern, actively maintained alternative to EssentialsX. It provides the most important server features in one plugin, with better configuration, performance, and support for the latest Minecraft versions.
All In One Apocalipse [AIOA]
A simple spawning overhaul that turns Minecraft into a zombie apocalypse.
ScoreboardPL
A fully customizable scoreboard plugin with 25+ placeholders — supports Vault, LuckPerms, live TPS, coordinates, stats and much more.
PokéGems Legacy pack
PokéGems Legacy is a custom Cobblemon Add-on which adds Fakémon from the PokéGems Custom Region Cento into the wonderful world of Cobblemon.
rAuth
Advance Authorization Plugin For Minecraft Paper Servers.
Coblemon:Expierence Boost
ExperienceBoost — Global XP & Shiny Boosts for Server Events with OP-Controlled Items! ExperienceBoost lets server admins easily trigger temporary global XP multipliers across the entire server—perfect for events, celebrations, or special gameplay moments
anti chest esp donut smp
DonutAntiChestESP Advanced Chest Visibility Protection for Minecraft Servers
Data Command Plus
Storageplayer, Concatenate, Loot Entities, Player and Data Manipulation