1.20.1 optimization mods

Memory usage optimizations

No-compromises game logic optimization mod. Well suited for clients and servers of all kinds. Now available for Fabric and NeoForge!

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

A Fabric mod designed to improve the chunk performance of Minecraft.

Improves performance by tweaking mob despawn rules. Say bye to pesky unintentional persistent mobs.

Rewrites the light engine to fix lighting performance and lighting errors

A Fabric mod designed to improve server performance at high playercounts.

Pre-generates chunks, quickly and efficiently

A mod that aims to optimize the minecraft server.

An efficient and non-locational redstone dust implementation

Ticking Entity Optimizations

Improved achievement performance

A simple mod that makes powered/activator rails turn on/off up to 4x faster. Fix vital crash.

The vertical chunk section syncing mod.

Ce (Chunky-extend) A small extension for Chunky, auto start and stop Chunky if players are online or offline.

Optimizes Minecraft mob AI by scaling calculations based on distance to players, improving performance with as minimal gameplay impact as possible

Pauses your Minecraft server when no players are online

Changes Lodestone recipe to its new one in snapshot 25w02a

Fixes rabbit pathfinding efficiently

Quickly check your server's memory usage!

Utility mod to cleanup the memory

Adds a performant Noita-style physics simulation to falling blocks.

Find out exactly what’s lagging your world - with mod, entity, and tick info.