Mods for 1.21.3
58 mods match your filters.
Memory usage optimizations
No-compromises game logic optimization mod, useful for both single-player games and multi-player servers.
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
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.
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.
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.
The vertical chunk section syncing mod.
Simulates zero latency by predicting server actions
Mod that aims to fix multiple issues with the Minecraft statistics 🤓
Optix Client is a cutting-edge, Fabric-based utility client built for players who demand performance and precision. Designed with a focus on PvP and minimalist aesthetics, it provides a seamless experience for modern Minecraft versions.
Retromod Is a Minecraft mod that allows you to play older mods on newer versions.
A lightweight library mod that provides various data structures such as KD Trees and Segment Trees, alongside some other utilitarian functionalities.