Minecraft Java 1.21 Mods
Browse 284 free mods for Minecraft Java 1.21 — popular picks include DeveloperMCP, Placement Helper, Darklands Vanilla.
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DeveloperMCP
Turn your Minecraft server into an AI-controllable powerhouse. Control Spigot/Paper servers directly from Cursor/Claude via Model Context Protocol (MCP).
Placement Helper
Adjusts client-side block placement for smoother building in singleplayer and creative.
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.
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 🔥
Cassetu's Building Pack
Mods + Shaders that Cassetu uses in his builds
Will's Vanilla+
A small Vanilla+ modpack for 1.21.1 NeoForge, which focuses on adding structures, biomes, and new building blocks to Minecraft!
BTE HKMU
This modpack is designed for BTEHKMU that provides powerful building tools and performance enhancements for large-scale realistic city building.
optim+
Yet another optimization Modpack on 1.21.1 to change nothing about the base game.
Vanilla Overkill - Base Edition
A simple vanilla modpack surrounding the Blaze and Caves advancement challenge. This collection includes both visual enhancements and optimizations.
ModernHDV
A modern GUI-based Auction House plugin for Minecraft servers, built for performance, usability and scalable multi-server networks. This is the Free edition of ModernHDV.
BPL - Client Side Mods (Complete)
Client mods for BPL MC Server. A exploration and building oriented modpack for multiplayer servers.
Builders Heaven
Builders Heaven is a Modpack that is designed to enhance a creative players building experience. It adds more than 20 mods to help with QOL and Building
Building Update
Be ready to craft amazing new blocks with the stonecutter! Terracotta and concrete stairs, slabs and walls, and stairs and glass walls, be ready!
redstone-refined
A redstone-focused modpack with building tools and performance improvements. Build complex systems lag-free.
Make A Modpack
This modpack has base mods for you to create your own modpack.
Rabbit's Reimagined Vanilla+
An enhanced version of survival designed to brighten up monotonous and lacking gameplay while staying true to the base game.
Guaxinim's Vanilla +
A “Vanilla Plus” modpack for Minecraft is designed to improve and expand the experience of the base game without drastically altering its essence
Grubo's Balance Pack
This is the balance pack, a modpack made for adventure, made for building stories. all possible with the chipped mod and a lot more. download now and start your quest!
krnl
a no-compromises performance modpack, intended to be a base for other modpacks.
The Vanilla Pillager
Improved sounds, buildings, generation, raids, dungeons, and more
Homiescraft Survival
Lightweight Fabric modpack that keeps Homiescraft Survival close to vanilla while smoothing performance, building, and QoL for easy multiplayer play
Chill&Stay
This is a modpack for my private smp, includes new building blocks, new foods, mobs some new bosses and enemys, a lot of QoL features, and the necessery optimanizations
Elevator_dp
Have you always dreamed of building an elevator to hide a secret base?
Coastline: Sunbeam
Designed to provide a lightning-fast experience, with all the building tools you'll ever need. Includes Litematica and Axiom.
MC's Vanilla Enhanced
A modpack containing a multitude of mods and resource packs designed to enhance the experience of vanilla Minecraft without sacrificing the feel and nostalgia of the base game.
Saamchii's Requiem
A small modpack based on exploration, magic and colony building.
TLSBridge
A plugin for minecraft which makes your server accept TLS wrapped connections. Very useful while building a server with Tailscale Funnel inside Linux or WSL.
CaptnJason's Server Pack
This server pack provides an optimized server base for any CaptnJason Development Studios operated servers.
PishMc - Modpack
The official modpack for the PishMc server. An elite vanilla-plus experience combining advanced building tools (Axiom, Litematica), infinite render distance (Distant Horizons), maximum FPS optimization, and immersive proximity voice chat.
Modium Pro
Modium Pro expands Modium with advanced tools for building, automation, and content creation, ideal for experienced players
Chromatic Creations
A Create modpack focused around building and farming.
Create: Extensive
Create: Extensive is a large 1.21.1 NeoForge modpack centered on Create and its many addons. It offers massive automation, factories, building, and world exploration with tons of content.
ModPeak Staffel 3
A high-performance Fabric modpack featuring Simple Voice Chat, Waystones, and advanced building tools like WorldEdit.
Gaymer Boys
This modpack is designed to enhance the core Minecraft experience by integrating a curated selection of Fabric mods focused on quality-of-life improvements, improved performance with drastically changing the base Minecraft experience.
BoopPack
The BoopPack is a simple yet extensive modpack for potato laptops with QoL mods, additional content like structures & building options and performance mods.
JustPlugin - All in One Management Plugin
Lightweight all-in-one essentials plugin for Paper, Purpur, and Folia 1.21.11+. Economy, teleportation, moderation, jail, kits, vaults, ranks, database storage, and 159+ more commands — all in a single configurable JAR.