Mods for 1.21.3
2,049 mods match your filters.
Sets Minecraft player sleep percentage
A mod that aims to improve the redstone experience when working with complex computational builds
An advanced economy plugin (Bukkit/Spigot, BungeeCord & more)
Zoomax, zoom all the way to the max.
Minecraft World Download mod. Save a multiplayer world as a singleplayer world you can open offline.
Lightweight, customizable HUD mod to keep track of the most precious number: your FPS.
The ultimate configure panel for your spawners!
Track lifetime Minecraft stats across worlds, saves, Realms, servers, and resets.
Fade the vanilla HUD out when you don't need it and back in when you do — each element on its own, plus an optional info overlay.
Fabric 1.21.11 teams mod with levels, team chat, PvP control, and leaderboard.
Bloodline SMP Client Mod adds the custom Bloodline HUD, ability icons, cooldown overlays, and rebindable keybinds used by the Bloodline SMP server. It also syncs bloodline state and powers the client-side visuals required for the full gameplay experience.
Chunkis is a high-performance, sparse storage engine for Minecraft. It slashes world save sizes by only persisting player-made changes on top of chunk snapshots, using a custom binary format (CIS) designed for speed and efficiency.
Extends the length of the minecraft days, from 20 Minutes (10m day, 10m night) to 2 Hours (60m day, 60m night)
Smart mob AI optimization mod
Calculates damage multiplier on a mace. Works with enchants.
A lightweight and customizable Minecraft Java client focused on utility, visuals, clean UI, and performance improvements. Turtle Client includes various built-in features and HUD modules designed to improve gameplay and customization.
Server mod/plugin where you can easily travel to other servers. It uses Mojangs new transfer packet.
This mod gives you complete control over mob spawning with per-rule filters, category caps, loot/XP scaling, attribute multipliers, and mob replacement — no coding required, just edit the JSON config and reload. 🔌✨
Breaks up some of the most overloaded Game Rules such as mobGriefing into individual features.
A client-side mod that saves and restores your settings across modpacks.
Adds more packets to extend server possibilities! [#killaislop]
This mod will let you deposit items in your inventory into chests and similar containers nearby using a hotkey. You can configure which chests to deposit to using a checkbox in the top right corner of the chest inventory screen.
Allows Modpack creators to promote their modded Servers.
JVM relaunch library for Java based applications.