Minecraft Java 1.21 Mods
Browse 195 free mods for Minecraft Java 1.21 — popular picks include CSX Keyall, Ore Assembler, Queue Plugin.
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CSX Keyall
CSX KeyAll is a lightweight, high-performance auto-reward plugin for Minecraft servers (Spigot/Paper 1.21.x) that automates global giveaway countdowns with MySQL (HikariCP) pooling, anti-crash SQLite storage, and full PlaceholderAPI integration.
Ore Assembler
Minecraft mod that adds an Ore Assembler.
Queue Plugin
An Queue Plugin for Velocity, easy to set up!
AtlasPin
AtlasPin is a modern, intuitive plugin for managing coordinates on a Minecraft server. It allows players and administrators to create, manage, and share pins using beautiful graphical interface templates and high performance.
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.
KNLibs
KNLibs is a lightweight, high-performance core library required for all KN Projects plugins.
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。
Docket
An open source plugin compatiblity scanner and developer helper plugin.
AE2 Additional Opportunity Mod (1.21.1, 1.20.1) – Allows To Use AE2 In A New Way
AE2 Additional Opportunity Mod is an addon for Applied Energistics 2, introducing new features and enhancements to improve automation and storage capabilities. This mod expands the AE2 system with additional tools, blocks, and optimizations, making complex automation setups more efficient and flexible. Features: Allowed controllers cross patern. Multiple controllers in one me net. Cels fire […]
Upgradable Spawner
This plugin allow to create a spawner wich can be upgraded
NeoServerCommand
Better /server Command.(and /send) よりよい/serverコマンド！
BungeeShortcut
A simple BungeeCommand Shortcut create plugin. BungeeCordのコマンドのショートカットを作ろう！
Extended Stacks
Increase the maximum stack size to 99 for all items, including those normally limited to 16. A simple vanilla-friendly QoL improvement for better inventory management.
Project Infinity Tools
A modular Minecraft expansion adding high-tier, rainbow-themed utility gear, including an all-in-one paxel and a custom-interfaced satchel for optimized inventory management.
Preview Chest
This mod allows you to see the content of a chest or other containers by just looking at them.