Swift! (LEGACY)

A high-performance rendering engine replacement for Minecraft, which greatly improves frame rates and reduces micro-stutter.

A modern shader pack loader for Minecraft intended to be compatible with existing OptiFine shader packs

Using async path-tracing to hide Block-/Entities that are not visible

Memory usage optimizations

No-compromises game logic optimization mod, useful for both single-player games and multi-player servers.

Speed up immediate mode rendering in Minecraft

Alternative Options Menu for Sodium

All-in-one mod that improves performance, reduces memory usage, and fixes many bugs. Compatible with all your favorite performance mods!

Reduce resource usage while Minecraft is in the background, idle, or on battery.

Makes chat unreportable (where possible)

Sodium addon providing support for the Fabric Rendering API, based on Indigo

A mod to optimize the Minecraft networking stack

A mod that fixes random memory leaks for both the client and server

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

Fixes Minecraft bugs found on the bug tracker

Reduce block entity FPS lag with almost no compromises, and improve their visuals

Blazing fast custom GUI textures on Fabric and Quilt with built-in OptiFine custom GUI resource pack support

Lets you return to the Title Screen early while your world is still saving in the background!

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

Makes the game boot faster by deferring non-essential initialization

Particle optimizations: Culling, rendering optimizations, configurable particle-type-specific spawn reduction, and potion particle disabling. Compatible with Sodium, improves performance over Sodium alone.

A mod that aims to optimize the minecraft server.

When crashing, you can go back to the title screen and keep playing, without needing to restart, alongside other things to make crashes more pleasant.

Improve and tweak Minecraft thread scheduling. Fork of Smooth Boot for ≥1.20

Completely removes recipe book from the game, optimizing player data.

Cull leaves while looking hot!

Speed up your world loading by removing unneeded chunks.

Attempts to optimize the generation of Jigsaw Structures and NBT pieces

lazy-language-loader improves loading times when changing your language by only reloading the language instead of all the game resources!

This mod fixes a bunch of crash exploits discovered in Minecraft.

Optimizes a lot of tasks that Entity AI wastefully performs, minimal effect on gameplay.

A lightweight entity-tick-scheduler for doubling your TPS.

Removes the main menu FPS limit. Fabric port of SmoothMenu by BookerCatch

Keeps server resource packs loaded, so they don't need to be reloaded when you rejoin.