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Minecraft Java 1.21 Mods

Browse 343 free mods for Minecraft Java 1.21 — popular picks include MI: Yappadium, NexTPA, QL-Hub.

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MI: Yappadium
1.21.1neoforge

MI: Yappadium

A Modern Industrialization based Modpack with alot of Performance upgrades!

65downloads
NexTPA
1.21.1

NexTPA

Modern, lightweight TPA plugin with safety checks and clickable requests.

64downloads
QL-Hub
1.8

QL-Hub

A modern, lightweight, and smart /hub command for BungeeCord and Velocity with background ping-checking and load-balancing.

60downloads
StaffUI
1.20

StaffUI

A fully customizable modern staff punishment panel featuring Discord log support, Hex colors, and ItemsAdder compatibility.

60downloads
Ultimate Step
1.21

Ultimate Step

UltimateStep is an all-in-one Paper server management plugin featuring a powerful rank system, configurable scoreboard, customizable tablist, and complete punishment tools including warn, mute, ban, kick, unmute, and unban. Lightweight, modern, and easy

59downloads
SeasonManager
1.20.6

SeasonManager

A powerful, Folia-native server lifecycle engine that automates seasons, phases, and grace periods for modern Minecraft networks. Providing autonomous scheduling with high-performance execution and premium visual feedback via BossBars and Titles.

57downloads
Create: High Pressure - Reimagined
1.20.1

Create: High Pressure - Reimagined

Give your diamond factory a new look. A complete texture overhaul for Create: High Pressure, with crisp, modernized visuals and Portuguese (BR) translation.

52downloads
MoneypluginPRO
1.2.1

MoneypluginPRO

Modern economy plugin for Paper, Spigot, and Purpur servers.

52downloads
Simple Interactions
1.21

Simple Interactions

Modern social plugin for Minecraft servers with friends, profiles, stats, bios, badges, likes, privacy, and GUI menus.

51downloads
BubbleLog
1.17

BubbleLog

Modern, Hosting-Friendly System Monitoring for Velocity

51downloads
OGAuction
1.21

OGAuction

A modern and highly configurable Auction House plugin for Minecraft 1.21+

49downloads
AuctionX
1.18

AuctionX

A modern, fully customizable auction house plugin with per-rank limits, MySQL/SQLite storage, PlaceholderAPI & Discord integration, and a fully editable English messages.yml.

44downloads
Echo Announcements
1.21

Echo Announcements

A modern, lightweight announcement plugin with MiniMessage, PlaceholderAPI, join messages, sounds, and multiple display types.

44downloads
MIP
1.20

MIP

MIP (Modular Integration Platform) is a modern, lightweight and rock-solid modular core for Minecraft Paper servers.

44downloads
Loreport
1.19

Loreport

Modern report system for Minecraft servers with Discord integration, advanced moderation tools, and multi-language support

42downloads
AtlasPin
1.21

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.

39downloads
Slipstream
1.21

Slipstream

Ultra-fast, zero-allocation packet framework for Paper 1.21+. Coroutine-first, ProtocolLib-style API for modern Kotlin developers.

37downloads
SentinelStaff
1.21

SentinelStaff

SentinelStaff is a lightweight, powerful admin utility plugin designed for modern Paper servers (1.21–1.21.x).Built for performance. Designed for control.

37downloads
Nexus Maps
1.16

Nexus Maps

Nexus Maps is the ultimate logging and remote management suite. Monitor server health, debug errors in real time, and visualize your server's economy flow all from a modern web dashboard.

36downloads
Frangfurd
1.21.1neoforge

Frangfurd

A modern creative expansion with building tools, graphical improvements and alternative machinery.

32downloads
HUDEngine
1.21.10paper

HUDEngine

Create modern HUDs for players without requiring client mods

30downloads
Legacy Bridge
1.21.10fabric

Legacy Bridge

Converts legacy Minecraft maps (1.0-1.12.2) to modern 1.21.10 - migrates command blocks, resource packs, and outdated block data automatically.

28downloads
YAPS AntiCheat
1.21

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.

26downloads
Vanguard
1.20

Vanguard

A refined staff activity tracker for modern Paper/Spigot environments.

26downloads
TransferX
1.21

TransferX

Direct player transfer plugin for Paper (1.21.x) without Velocity or BungeeCord. Uses Minecraft’s modern transfer packet system to move players between servers via commands and automated routes.

22downloads
FluxySpawn
1.20

FluxySpawn

A lightweight spawn plugin designed for performance and simplicity. Easy to set up, optimized for modern servers, and packed with essential spawn features.

18downloads
⭐ AmazingAnnounces ⭐ [1.18 - 26.1] |  Unlimited Schedulers |  Titles & Sounds |  PAPI Support
1.18spigot

⭐ AmazingAnnounces ⭐ [1.18 - 26.1] | Unlimited Schedulers | Titles & Sounds | PAPI Support

The most modern and fastest plugin for automated messages with support for MiniMessage and PAPI

17downloads
Modern Industrialization Multiblock Editor
1.21.1neoforge

Modern Industrialization Multiblock Editor

Customize Modern Industrialization multiblocks with KubeJS

12downloads
Slimefun_Legacy
1.21.11paper

Slimefun_Legacy

Slimefun4 continued for modern Paper servers, preserving classic gameplay, machines, items, and addon support.

12downloads
SeasonManager | 1.21+ • The Modern Standard for Server Lifecycles
1.20.6spigot

SeasonManager | 1.21+ • The Modern Standard for Server Lifecycles

Folia-Native scheduling, automated wipes, and premium visuals for SMP, Lifesteal & more!

8downloads
Modern Antics
1.21.1neoforge

Modern Antics

This modpack contains mods centered around the modern-day and enhancing minecraft as a whole.

6downloads
Create Style for Refined Storage Resource Pack (1.21.1, 1.20.1)
1.21.1

Create Style for Refined Storage Resource Pack (1.21.1, 1.20.1)

Create Style for Refined Storage Resource Pack restyles the Refined Storage mod with a mechanical theme. It repaints the default blocks using copper and brass textures to match a steampunk style. This pack turns your clean, modern storage network into heavy machinery. Features: Brass Theme: Changes all storage blocks to look like copper and brass […]

Updated Engineering Resource Pack (1.21.1, 1.20.1) – Texture Pack
1.21.1

Updated Engineering Resource Pack (1.21.1, 1.20.1) – Texture Pack

Updated Engineering Resource Pack is a Minecraft resource pack designed to modernize and refine the textures used in the Immersive Engineering mod so they better match the style of newer Minecraft versions. It updates a wide range of items, blocks, metals, tools, and materials with cleaner, more consistent textures while keeping the familiar industrial aesthetic […]

Voltaic API Mod (1.21.1, 1.20.1) – Dependency For Electrodynamics And Nuclear Science
1.21.1neoforge

Voltaic API Mod (1.21.1, 1.20.1) – Dependency For Electrodynamics And Nuclear Science

Voltaic API Mod designed to unify and support multiple mods. It replaces older dependencies and ensures smooth integration across industrial, nuclear, and military‑style mods, all aimed at recreating the Voltz experience for newer Minecraft versions. Features: Required for Electrodynamics, Nuclear Science, Assembly Line, Ballistix, Blastcraft, MFFS, ICBM, and more. Central to the effort of modernizing […]

Rich Modern Client Mod (1.21.11) – Powerful Modules for Anarchy, 2b2t Servers
1.21.11fabric

Rich Modern Client Mod (1.21.11) – Powerful Modules for Anarchy, 2b2t Servers

Rich Modern Client Mod is a client for Minecraft designed to enhance PvP and anarchy-style gameplay. It offers customizable modules focused on combat optimization, automation, movement support, smart combat assistance, survival utilities. Features: Combat Aura (KillAura) – Automatically attacks nearby targets TriggerBot – Attacks when crosshair is on target AutoTotem – Automatically switches Totem of […]

Chosen's Create Integrated Modpack (1.21.1) – Advanced Factory Building
1.21.1

Chosen's Create Integrated Modpack (1.21.1) – Advanced Factory Building

Chosen's Create Integrated Modpack is a technology-focused modpack built around Create that combines mechanics, magic, and modern logistics into a smooth automation journey, featuring Create-based factories, Ars Nouveau magic integration, Refined Storage 2 systems, high-tech scaling with Just Dire Things and Replication, custom resource loops, and progression from simple machines to large-scale industrial networks. Features: […]