Mods for 1.21.4
1,283 mods match your filters.
Block Memory records the history of blocks (who placed/broke them and when). Use the Memory Scanner: right-click on a block and view the last eight events in chat. Works in single-player and on the server.
The "Kesha`s Movement" mod provides greater control over movement.
Client-side mod hides model pieces from rendering
This mod entirely reworks the wither boss in minecraft, with custom loot, moveset, etc
Automatically captures lag incidents on Fabric servers and points you to suspicious hotspot chunks.
Adds a few features to improve SMP Gameplay
Network communication library
Fixes that annoying issue when trying to interact with blocks while sneaking and not having an empty offhand.
StormPRVT is a Minecraft mod focused on performance and HUD.
Helps server owners to locate and resolve lag for Fabric servers with crippling entity counts.
Fast vertex transform and caching using compute shader.
The Purification Bottle (New item) can eliminate anvil penalties; anvil penalties are visualized.│淨化之瓶（新物品）可以消除鐵砧懲罰；鐵砧懲罰可視化。
A lightweight client side mod that shows a countdown timer after you die, so you always know how long until your items despawn.
A light minecraft mod for Clean-up item entity regularly on server
Be ready to craft amazing new blocks with the stonecutter! Terracotta and concrete stairs, slabs and walls, and stairs and glass walls, be ready!
Adds extended control over Toasts: position, animation, sound customization, and more.
Allows mobs to despawn with simulation distances under 8
A PvP, Utility, and Optimization client.
Server-side ground item cleaner for Fabric with bossbar countdown, TPS-aware emergency clearing, and per-dimension protection rules.
Shortens and colors InvadedLands queue messages to keep your chat cleaner.
Instantly calculates and displays the total net worth of items in any inventory, chest, or Shulker Box! Perfect for DonutSMP.
Save chunk as small as possible to reduce world size but try to use original mca region
A client-side Radial Menu that modders can depend on to add actions to their own mod.
Tweaks to the Aeronautics Delivery Quest mod (or TNM), that remove the lag it causes, adds new configs, and a PvP mode.