Minecraft Java 1.21 Mods
Browse 2,492 free mods for Minecraft Java 1.21 — popular picks include Xiaoklunar Auction House, PovertyCraft, BalSync.
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Xiaoklunar Auction House
Simple premium auction house plugin
PovertyCraft
PovertyCraft is a modpack focused on exploration, light RPG elements, and immersive building. It adds new biomes, structures, dungeons, nothing overly complex. Don't take the name seriously, it's a joke between friends.
BalSync
BalSync – Vault Economy Synchronization for Minecraft Server Networks with MySQL Database
Laser Placer
Laser Place allows you to instantly place long vertex with the simple click of a button. Speeds up path building, and improves a builder's life :)
CHAN modpack
Optimization mods for BETTER performance and Iris for shaders. Mods for building blocks and decorations, and more.
CityParts Pack
Modpack focussed arround Create with CityParts for creative building
Constructum
an Assortment of mods that enhance core aspects of Minecraft while staying true to the base vanilla experience.
BundleDirect
Place blocks from your bundle randomly to assist in building (now for NeoForge).
New Year Music
Immerse yourself in the holiday spirit of your Minecraft world with the “New Year Music” mod! This mod introduces a new crafting recipe for the music player, allowing you to enjoy holiday tunes while building and exploring.
MagicStructure
Add trees, dungeons, new buildings, and flying islands from schematics to your world generation.
VIP_SMP - Season 1
The Modpack used for VIP_SMP Season 1 This is a modified version of Vanilla Perfected by demonjoeTV, thanks for the amazing base pack.
FogRule
Adds dense fog to the game where monsters spawn. Building clears fog. Intended for long-term worlds to motivate building;)
DeveloperMCP
Turn your Minecraft server into an AI-controllable powerhouse. Control Spigot/Paper servers directly from Cursor/Claude via Model Context Protocol (MCP).
StoneBlade
StoneBlade is a small, focused gameplay tweak that finally gives the stonecutter the respect it deserves. Instead of building elaborate lava blades or awkward kill chambers, you can simply let adult mobs walk over your workshop tools.
Loggy Doors
Adds Log-textured doors for all types of logs in 1.21.1 to allow the building of hidden bases and passages.
Darklands Vanilla
This modpack stays close to vanilla while adding refined exploration upgrades, improved structures, and a fresher End. It also includes major optimizations for smoother performance, plus Macaw’s building mods without extra unnecessary blocks.
Cow of undying
This is a texture pack that changes the totem of undying into a cow with the same colors as the base one.
Create: Signalworks
Create: Signalworks is a small Create addon for building more varied redstone control systems.
GlobalMarketplace – (Paper) Auction House - Geyser Support
Cross-server Auction House for Paper with anti-dupe, Vault economy, and Discord support.
Lava Gen Tweaks
Tweak the base sea level for lava! Typically starts at -54.
SpecialMaterials
This mod provides a wider variety of building blocks and their crafting methods.
ViMo
This mod adds classes, magic, weapons inspire by Castle Crashers
Decay Zones
Create zones where placed blocks decay over time with configurable settings! This plugin is perfect for temporary building areas, minigames, or clean-up zones on your Minecraft server.
TTRP Pizza Castle Pack
A Resource pack containing custom named food models and textures for the Pizza Castle pizza shop in TallTalesRP
Panorama of the round house with shaders
Minecraft panorama of the round house with shaders
Placement Helper
Adjusts client-side block placement for smoother building in singleplayer and creative.
Will's Vanilla+
A small Vanilla+ modpack for 1.21.1 NeoForge, which focuses on adding structures, biomes, and new building blocks to Minecraft!
Auction HouseX
A fast-paced, player-driven auction house built for competitive servers. Buy, sell, and flip items instantly in a clean, high-performance GUI. Designed for Paper servers, this plugin keeps the economy moving and the profits flowing 🔥
BTE HKMU
This modpack is designed for BTEHKMU that provides powerful building tools and performance enhancements for large-scale realistic city building.
Kinetic Worlds 5
⚙️ About the project Kinetic Worlds 5 is a community-based Minecraft project centered around the Create Mod. The focus is on creative building, technical progress, and complex automation—with a quest book.
Cassetu's Building Pack
Mods + Shaders that Cassetu uses in his builds
Double Levels
The datapack adds the ability to upgrade your base attributes for XP. There are 4 different parameters for leveling, each with 5 levels.
![[D&T] Pretty Panorama - End Caste](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/modrinth/315466.webp)
[D&T] Pretty Panorama - End Caste
This pack replaces the default panorama with an end castle panorama! (From Dungeons and Taverns)
Uniform Grass Color
This mod makes it so all grass looks the same! Sometimes when you find the perfect building spot you just cannot build there because of how badly the mix of biomes is, but when installing this mod, it allows you to easily fix this!
IOServerMonitor
Monitor servers and store status in a database
Tinted Grove
Transform Minecraft’s building palette with colourful trees, custom wood sets, and thousands of unique doors, trapdoors, and decorative blocks.