Mods for 1.21.3
2,049 mods match your filters.
Save energy for your Minecraft server
A client-side NeoForge mod that automatically saves snapshots of your inventory upon death and allows you to browse them later.
Client-side mod hides model pieces from rendering
Scoreboards for areas of any shape: outline the zone with blocks in the sky, every block broken/placed inside counts, per-player sidebar leaderboard. Server-side only.
This mod makes it so that every 20 minutes (1 full Minecraft day), you get taxed 1 diamond. If you don't have the diamond, you are affected by slowness. It is also server-side compatible.
Knox is a lightweight, informational GUI mod to view important info at a glance without having to toggle F3.
A calculator inside Minecraft that knows what a shulker is. Farm rates, item counts and timings, worked out in chat. Server-side only, so players install nothing.
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!
Mod for detailed mob/animal spawn configuration
A server-side mod that implements a username-IP-based whitelist system, enforcing access control based on both username and IP address. Includes Discord bot integration for convenient server management.
Calculate and set angles based on coordinates!
Modern, modular SDK for cross-platform development (Bukkit, Folia, Fabric, Velocity, etc). Unified API for commands, configs, diagnostics, and smart threading.
A simple mod that allows you to Reload Resources with a Keybind
A client-side mod for avoiding re-downloading server resource packs with no hash code present from the server. The mod remembers past hashes based on the URL.
A mod made for stopping TPAtraps on servers like DonutSMP!
Simple Fabric Plugin That allows you to connect to a server while you are in a world/server.
ModSender is the required client-side companion mod for Mod Checker Enhanced. It automatically sends your mod list to the server upon joining, allowing server administrators to enforce whitelists and detect unauthorized mods.
go fishing in the ice like they do in siberia
Helps server owners to locate and resolve lag for Fabric servers with crippling entity counts.
PlayerManager is a Fabric mod that adds friend management, chat customization, and local mute/block features to Minecraft. Everything works fully client-side without requiring server plugins.
Automatic login for multiplayer servers
Allow and block teleport (/tp) to and from specific regions of your world!
Your keybinds and settings, carried automatically from one modpack to the next.
A light minecraft mod for Clean-up item entity regularly on server