Minecraft Java 1.21 Mods
Browse 1,113 free mods for Minecraft Java 1.21 — popular picks include ServerAnalytics, Seyllo, FluxForge.
Updated daily
ServerAnalytics
ServerAnalytics is a powerful, lightweight, and fully free analytics plugin for Minecraft servers, designed to help server owners understand player behavior, track progression, and optimize their gameplay experience like never before.
Seyllo
Connect your Minecraft server to your Seyllo store. Auto-delivery, remote console, real-time monitoring. Free alternative to Tebex.
FluxForge
An industrial tech plugin for Minecraft servers. Build power networks, automate your world.
Kaze's Kit Setup
A datapack that adds the ability to create and load kits withoout using mods.
BlockNadzor
Bureaucratic restrictions and censorship in Minecraft.
CloudBackupMC
☁️ CloudBackupMC: Seamless Cloud Backups for Minecraft Stop worrying about data loss. CloudBackupMC is the ultimate solution for Minecraft server owners and players to automate server backups directly to personal cloud storage.
PROXY protocol Wrapper
A lightweight Fabric server-side mod that adds native support for the HAProxy PROXY protocol v2 to forward real player IPs.
VortexSellChests
Automated sell chests with item collection, filtering, upgrades, fuel support, and economy integration along with infinite storage chests
Sift - Quickstacker Plugin
Sift is a Minecraft plugin that allows players to instantly deposit matching items into storage containers with a simple Shift+Right-Click.
CustomDrops Pro
A plugin that lets you edit the rewards received from monsters. Supports IA IE IT MM and can be easily edited.
KNLibs
KNLibs is a lightweight, high-performance core library required for all KN Projects plugins.
HandyCommands
A small and lightweight plugin that aims to add some very useful features.
Magnot
Tired of your magnets messing up your auto-crafts? Well, Magnot! Define walls or areas which block magnets from any mod. Filters coming very soon. :)
![[FREE VERSION] CubePowered - Custom machines, workbenches, storage & a power delivery system!](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/spiget/167398.webp)
[FREE VERSION] CubePowered - Custom machines, workbenches, storage & a power delivery system!
[ItemsAdder Addon] Custom machines, workbenches, storage & a power delivery system!
bItemFilter
Keep your inventory clean. Automatically filter which drops you want to pick up and which useless items should stay on the ground.
Packager
Adds a new craftable moving box item that allows for moving any block from one place to another in survival, regardless of nbt or other conditions.
YAPS AntiCheat
Yet Another Powerful Shield — an all-in-one anti-cheat for modern Paper 1.21.x servers, featuring 18 detection modules, an advanced ban punishment system, and a admin GUI.
Wireless Hopper
A Paper Plugin that adds Wireless Hoppers to your server. Replace your old long and laggy hopper chains with a single Wireless Hopper.
Compressed Chests
Organised and compressed chests
MaxEntitiesInChunk
Manage or Restrict the number of entities in each chunk. specially adapt to Mohist Server.| 限制每个区块的实体上限，并适配Mohist。
Bundle Bin
A craftable Bundle that deletes it's contents, great for clearing up junk from your inventory
LunaSMP Plugin
LunaSMP is an all-in-one Paper plugin for SMP and survival servers that puts the most important features in one plugin.
Engineer`s pack
This modpack offers create-centered gameplay with additions such as nutrition system, seasons and backpacks.
McLinuxBridge
Execute and stream live Linux/macos or Windows terminal of your free public server hoster server commands asynchronously directly from your Minecraft chat or console panel.
DevStorageDrawer
a container that can only contain 1 item type but can contains a lot of it.
Rype's Auto GSet / GTools Maker
Automates enchanting gear and tools using anvils and items from shulkers with configurable speeds, XP collection, and resume support. Enchants Everything.
Accelerated Hoppers
Accelerate individual hoppers to transfer up to 12 configurable items per cycle perfect for vanilla SMP servers.
EclipseBlockItemContainer
With this plugin you can block items in certain containers.
DSMP-API
This Mod adds an API, for Minecraft. Only Paper/Folia, Spigot, BungeeCord
UltimateStep+
UltimateStep+ is a Paper 1.21 server utility plugin by dieschmatze. It combines automated world backups, a world-reset tool, and a YAML-based GUI menu system into a single plugin. All features are permission-controlled and fully configurable via config.yml
UltraTrackStats
UltraTrackStats is a Bukkit/Spigot plugin that provides a centralized player statistics tracking system (kills, blocks, and more) accessible by any plugin via a simple public API.
Mentalitys | XP Reserve
Reusable XP flasks that store exact experience, support Mending, and protect XP on death.
Chest Minecart GUI
This data pack simplifies and accelerates the GUI configuration for transport minecarts; you only need to configure the storage settings and execute the generation function to quickly set up a GUI.
Mik'sDeathChest
A simple Paper plugin that stores a player’s items in a pre‑placed chest marked with a sign. When the player dies, all drops go into that chest, and /dcport teleports them back to it.
EcoTrophies
EcoTrophies adds decorative, armor powered trophies that passively generate currency for players to collect. Configure custom trophy types, tiered armor, production rates, storage limits, GUIs, and multiple economy integrations.
Railbound
better minecarts: minecart trains, blast furnace minecarts, dispenser minecarts, junction rails, controller rails, destructor rails, and more