Mods for 1.21
69 mods match your filters.
Memory usage optimizations
No-compromises game logic optimization mod, useful for both single-player games and multi-player servers.
All-in-one mod that improves performance, reduces memory usage, and fixes many bugs. Compatible with all your favorite performance mods!
A mod to optimize the Minecraft networking stack
Fixes Minecraft bugs found on the bug tracker
Massively increase render distance without harming performance.
A simple mod to fix various problems with packets, nbt and timeouts.
Pre-generates chunks, quickly and efficiently
A Fabric mod based on Starlight that improves the performance of light updates in Minecraft.
Improve and tweak Minecraft thread scheduling. Fork of Smooth Boot for ≥1.20
[NOTE: This mod is now only intended for use with pre-existing Faster Random worlds]
Provides powerful network optimization capabilities for all mainstream systems.
This mods allows more precise manipulation of entity view distance on client and server
Optimize datapack / resourcepack zip file loading times
A lightweight mod that cleans old, unused log files
This mod fixes bug MC-260346, which causes custom music discs, when played in a jukebox, to be cut off when the vanilla disc would normally end.
An updated version of Runemoro's VanillaFix and also ported to the latest version
A powerful and freely open-source optimization mod for Minecraft 1.12.2+, which fixes some issues in Minecraft and greatly improves its performance. It can replace many mods and all functions can be configured in the configuration file!
A fabric-carpet extension mod. It offers some interesting and useful features.
Krypton unofficial NeoForge port. A mod to optimize the Minecraft networking stack.
Optimisation mod for the dedicated/integrated server.
Reduce GC pressure by safely eliminating Enum#values array cloning and memory allocation overhead through bytecode analysis
An all-in-one optimization module dedicated to optimizing client-side rendering and server-side stability and fluency.
Just Enough Book (JEB) – Minecraft Recipe Book Mod