Minecraft Java 1.21 Mods
Browse 126,749 free mods for Minecraft Java 1.21 — popular picks include Thicker gold block outline, LowFires, Bosstimized.
Step by step: How to install Minecraft Java mods & modpacks
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Thicker gold block outline
Makes the block outline when you look at the block golden.
LowFires
This resource pack adds the ability for fires to be lower
Bosstimized
A performance-focused modpack designed for low-end and mid-range PCs, improving FPS, reducing lag, and enhancing overall gameplay stability.

Re:zer0
Die, return, try again. When cursed by the Witch of Envy, death becomes a checkpoint that rewinds your body, inventory, and the world itself.
Domain Router
🌐 Route players to different Minecraft servers based on their domain/IP. Now with fully customizable proxy kick messages, lightweight performance, and simple configuration for server networks.
[ISS TMS] This is a Magic Staff !
⚔️Transform any item in your hand — diamond swords, iron axes, even a potato — into a functional spellcasting staff with a single keystroke.
Hotbar Reworked
A hotbar texture pack that gives hotbar a fresh and unique new look.
Mobs Drop Their Abilities
Defeat mobs and steal their powers! Unlock unique passive abilities like flight and teleportation, or use active items like the explosive Detonator. Transform your survival experience by using the monsters' own strengths against them.
Neon end crystals
Neon tetxures for end crystals and anchors, made to work with the "Aberration" shader but it looks great on it's own!
Basic Camera Shaking for Java (BCSFJ)
Adds in command-controlled smooth camera shaking, unlike bedrock's built-in one, which is snappy and not natural-looking.
Craftable Dripstone
This datapack adds a simple way of crafting pointed dripstone, using 5 stone
KaboomStick
A Fabric mod for Minecraft 1.21.x that adds explosive sticks to convert entire veins of blocks into TNT or launch massive fireballs.
Miku Tinkaton
This is a resource pack for Cobblemon that changes Tinkaton to Miku!

Elytra Eraser
Replace those pesky Elytra's with a useless leather chestplate!
Vanilla Armor Upgrades+
Harder Armor Progression

Wordstones
A nerdy take on fast travel
holy-strong
This module makes the stick more powerful; it can launch crystals, teleport, stop time, and build roads. 這個模組可以使木棒更加強大,木棒可發射水晶,可瞬間移動,可時間暫停,可搭路
AzurCraft Map Icons [Xaero's]
Adds entity support for AzurCraft (aka ALMC) for Xaero's Minimap and Full Map
Red TNT Barrel
Rextured TNT texture to a red barrel
Excalibur | Bedrock Plus Support
Excalibur | Bedrock Plus Support Texturepack

Better With Tech
This is a modpack surrounding the Better With Time mod for the purposes of making it easier to access and install
LuminaraSMP
A Survival Modpack Made To Play Normal & Hardcore, to revive minecraft to it's new interesting Glory to play with you're Friends & Family.
Mefferfish
This mod makes the pufferfish texture into meff.
DeveloperMCP
Turn your Minecraft server into an AI-controllable powerhouse. Control Spigot/Paper servers directly from Cursor/Claude via Model Context Protocol (MCP).
Wool to Dye For
This mod turns Wool into Dye through blasting, making dyes renewable through sheep farms.
Task Timer
Execute commands at specified times
rarab-pack
Optimization & Essential Utilities for Korean
Toaster's Bundle Keybind-Fix Mod
Changes bundles' keybinds to make them consistent with other items.
Vex's Transformation
Do you hate Vexes?, but always wanted more allays?
Temporium Client
Temporium client is made to play on the multiplayer server DiamondFire. Specifically the RPG game BCmpact Temporium
Senior Resource Packs
SeniorResourcePacks is a Bukkit plugin that hosts Minecraft resource packs locally with no hassle Simply place your zip file in the plugin folder and it provides a direct download link that Minecraft can use
OneBot
A powerful Minecraft server plugin that bridges OneBot protocol implementations with your game server.
PaperTS
PaperTS is a Paper Minecraft plugin that enables you to write Minecraft server plugins in TypeScript.
WhyNeedWater
A Minecraft plugin that makes tridents not need water to fly with. The plugin is in beta idk if it is gonna always work Might make it open source soon
FaxeL's Enchanted Books
Simple and clear view for enchantment books
S2 Junior ImagineerSMP
Where you build your true imaginations!