Minecraft Java 1.21 Mods
Browse 458 free mods for Minecraft Java 1.21 — popular picks include MaxTools, Surviving The Spiral, More Redstone.
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MaxTools
Perfect for a survival game with progression.
Surviving The Spiral
The official modpack for the Surviving The Spiral storm-chasing series, featuring realistic weather, survival gameplay, and vanilla-enhancing mods.
More Redstone
More fully vanilla style redstone blocks that Mojang should add in Minecraft!
HeatSMP
A high-performance, hardcore survival plugin for PaperMC. Harness heat to unlock "unimaginable power," survive the extreme conditions of $100.0^\circ$ Meltdowns, and siphon energy from your rivals.
ElementalCrystals
ElementalCrystals adds custom elemental crystals with special abilities. Players can craft and use Fire and Water Crystals in survival gameplay. Thanks
SR ChestPreviwe Premium
SRChestPreviewer allows you to see the contents of any container without ever opening the UI. Perfect for survival
Craftable Creakings
This simple data pack allows one to craft a creaking egg in survival! Now you can build redstone machines that activate simply by looking at a creaking that doesn't despawn! (The creaking will not despawn if named)
Two Player Required
A co-op-only datapack: play alone and you're stuck in Adventure mode with blindness and a "waiting for other players" message until a second player joins, then you're switched back to Survival. Survival only.
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.
LunaSMP Plugin
LunaSMP is an all-in-one Paper plugin for SMP and survival servers that puts the most important features in one plugin.
BedSMP plugin
This plugin makes it so when you spawn in the world you get a death bed and if you don’t place it down you’re on hardcore but if you place it down your on survival!
Stuff's Custom model Pack
A datapack to allow Minecraft servers a survival-friendly way to give players their custom textures/models.
GlowSense
This mod provides real-time visual cues for combat, tools, and survival, highlighting the best weapon, tool, or food based on the situation to make gameplay more intuitive and responsive.
Advanced Explosions Recipes (Unofficial Addon)
Adds survival crafting recipes for Advanced Explosions.
Createfully
Beautiful survival with Create, physic and other cool mods
VoxPopuli
VoxPopuli is the ultimate safeguard for your survival world. Tired of friends sneaking in commands? Every restricted command now triggers a democratic vote: the people decide its fate!
Escrow Autobuilder
IOUEscrow is a vanilla/survival friendly schematic and autobuilder mod that allows you to pair creative world planning with honest survival gameplay.
GeneratorCraft – Advanced Multiblock Generators | Skyblock Mechanics | Paper 1.21+
Custom Multiblock Generators • Progressive Tiers • Automation Ready • Paper 1.21+
✨Arcane Exchange ✨ | Magical Automation • Energy System • Tiered Machines
Break the rules of survival — harness pure arcane energy.
Titlecarts
This datapack enables the use of titles in survival with minecart tracks to announce stops, routes etc.
MeiLaa Plus Client Mod (1.21.11) – Upgraded Krypton Client
MeiLaa Plus Client Mod is a very aggressive PvP client built mainly for crystal and anchor fighting, with tons of automation and server-focused tools. It mixes combat power, survival helpers, and exploit-style features to give a strong advantage in both PvP and SMP servers. Features: Crystal and anchor combat automation Auto totem, auto mining, and […]
GendMaker Client Mod (1.21.1) – Advanced PvP Optimization
GendMaker Client Mod is a combat-focused PvP client for Minecraft. It is designed mainly for: Crystal PvP, Sword PvP, Mace combat, Combat delay and hit optimization, Visual support (HUD & ESP). Instead of survival features, this client focuses on automation, timing optimization, and combat efficiency. Features: Sword PvP Modules Aim Assist – Helps keep your […]
Radon Client Mod (1.21.11) – Donut's Most OP, Fork of Krypton Client
Radon Client Mod is a hybrid PvP and SMP utility client for Minecraft. It helps players with Crystal and Anchor PvP while also providing useful tools for Donut SMP, such as auto sell, base finding, and totem automation. This client is designed to make fighting and survival easier, faster, and more efficient for both new […]
Sakura 6 Client Mod (1.21.4) – Advanced PvP Automation Tools
Sakura 6 Client Mod is a modded Minecraft utility client that provides a wide range of gameplay enhancements, automation tools, rendering options, and combat features. Features: Combat Automatically attack nearby enemies (KillAura, CrystalAura) Automatically use survival items (AutoTotem, AutoPot) Automatically trap or protect yourself (Surround, SelfTrap, AutoTrap) Prevent attacking fake players (AntiBots) Movement Increase movement […]
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 […]
Leet Client Mod (1.21.8) – Private Bozar-Based Client
Leet Client Mod is a private ghost client based on Bozar. It is not a normal client or mod. Instead, it is designed to give the player automatic combat, movement, and survival advantages. Features: Automates combat actions Improves movement abilities Reduces damage and knockback Modules: Combat AimBot – Automatically aims at enemies Aura – Automatically […]
Skyopolis Evolved Modpack (1.21.1) – Create-Based Sky Automation
Skyopolis Evolved Modpack is a progression-based skyblock modpack for Minecraft. It is designed to guide new players step-by-step through quests while gradually introducing machines, automation, and advanced crafting. Features: Core Concept Start in a custom sky world made of floating islands Follow a structured quest system to unlock new technology Progress by building more advanced […]
Create Stranded at Sea Modpack (1.21.1) – Ocean Survival
Create Stranded at Sea Modpack is a Minecraft modpack focused on surviving in an ocean world using Create automation. Build machinery, explore islands, and manage resources with a full progression and economy system. Perfect for both new and experienced players. Features: Create Automation: Use Create and its addons to automate tasks Build machines to gather […]
All The Mods 10 To The Sky Modpack (1.21.1, 1.21) – Skyblock Reinvented
All The Mods 10 To The Sky Modpack fuses the massive content of ATM10 with the classic Skyblock challenge: you start with just a tree and a single block, then expand into a world of technology, magic, and exploration suspended in the void. Features: Classic Skyblock start: one tree, one block, infinite possibilities. Adds technology […]
Nyrex Client Mod (1.21.1) – Automation-Focused Beast
Nyrex Client Mod provides a powerful automatic combat system, advanced utility tools, ESP & visual features for better awareness, along with various macros and automation that give players a major advantage in PvP, raiding, base hunting, and long-term survival. Features: ⚔️ Combat Aim Assist – Assisted target aiming Anchor Macro – Anchor PvP macro support […]
Alien Client Mod (1.21.1) – Powerful 2B2T Ghost Client
Alien Client Mod is an anarchy-oriented Minecraft utility client commonly used on servers like 2b2t, offering a wide range of combat, movement, render, and exploit features. It is designed for high-pressure crystal PvP, survival in chaotic environments, and extended visual awareness. The client focuses on fast-paced automation and PvP dominance by combining crystal combat modules, […]
Create: Misc & Things Mod (1.21.1, 1.20.1) – Utility, Building and Fun Additions
Create: Misc & Things Mod is an add-on that introduces several useful and amusing items to the Create mod. A liquid gun? Road signs? Launchers or various building blocks? With this mod, survival in Create becomes even more exciting and fun! Features: Spout Gun – A unique weapon that allows you to shoot liquid at […]
Hyperbox Mod (1.21.1, 1.20.1) – A Portable Factory in One Block
Hyperbox Mod adds a special block that contains its own small dimension inside. Each Hyperbox you create has a unique space within it. You can pick up the block and move it anywhere, and the dimension inside will move with it. This lets you build complex machines or bases that take up very little space […]
Valiant Client Mod (1.21.1, 1.21) – Click Crystal and Meteor Rename
Valiant Client Mod is optimized for Crystal PvP, designed to enhance the player's combat and survival experience. It features a range of modules that can be toggled on or off. Features: Crystal Aura: Automates the placement and attack of end crystals. Crystal Trigger: Attacks and destroys crystals with smooth movements. Hitboxes: Expands the hitbox of […]
Project: Vibrant Journeys Mod (1.21.4, 1.20.1) – A Whole New Land
Project: Vibrant Journeys Mod aims to add some spice to survival without changing its core aspects. Instead of adding tons of new content in one direction, this mod focuses on adding content that overlays the current style of survival. Here, you will not find complex machinery, or magical spells, or a billion biomes, or too […]
Create Waystones Recipes Mod (1.21.1, 1.20.1) – Change Waystones Recipes Into Create Recipes
Create Waystones Recipes Mod adds custom crafting recipes for Waystones using Create mod mechanics. This mod enables players to manufacture Waystones through Create’s automation and crafting systems, making teleportation more accessible in survival mode. Features: Adds Create-based crafting recipes for Waystones. Integrates automation-friendly methods for teleportation. Enhances compatibility between Waystones and Create mod. Screenshots: Create […]