AltiFine

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

Speed up immediate mode rendering in Minecraft

Emissive, Random & Custom texture support for entities in resourcepacks just like Optifine but for Fabric

A Sodium addon that adds features that shouldn't be in Sodium.

EMF is an, OptiFine format, Custom Entity Model replacement mod available for Fabric and Forge.

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!

A Minecraft mod that allows for efficient connected textures

A zoom mod with infinite customizability.

A mod that changes how multiple types of culling are handled in order to improve performance

Why is it called Puzzles? That's the puzzle.

Adds dynamic lights to Minecraft as the most feature-complete and optimized dynamic lighting mod.

Enhance your Minecraft with one simple mod. Host worlds for free, chat with friends, and so much more!

A mod to optimize the Minecraft networking stack

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

Reduces load times and adds fallbacks for languages

Optimization mod that focuses on things other than rendering

Clumps XP orbs together to reduce lag

Unofficial Fork of "Iris", made to work with FML

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

Fixes Minecraft bugs found on the bug tracker

Fixes gaps in Block Models and Item Models

A powerful, mod-friendly, FOSS client performance mod for NeoForge

See farther without turning your game into a slide show

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

Optimises worldgen performance for a better gameplay experience.

Re-implements MCPatcher's CIT (custom item textures from optifine resource packs)

Lets you use capes from OptiFine, LabyMod and other cape mods

Makes resource packs load in the background, allowing you to do other things while waiting!

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

Adds resourcepack features and a GUI to configure OptiFine alternatives more conveniently.

Yeet the laggy reversed DNS lookup for literal IP server addresses

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

A mod implementing the OptiFine/MCPatcher animated texture format

Reintroduces vanilla-like smooth lighting to non-full blocks (e.g. dirt paths and how they have dark shading when directly next to a full block) when using Sodium.

Rewrites the light engine to fix lighting performance and lighting errors

The cape shouldn't be a static slab

Pre-generates chunks, quickly and efficiently

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

Makes the game boot faster by deferring non-essential initialization

Modifies how worlds are loaded to speed up loading times.

Rewrites the light engine to fix lighting performance and lighting errors

Allows resource packs to define custom skyboxes. Formerly FabricSkyboxes

A mod that aims to optimize the minecraft server.

Gamma / Brightness / Night Vision mod, making it easy to see in the dark. Basically Fullbright for Fabric and NeoForge.

In-game resource pack, data pack and shader browser and updater.

Highlight changes the visualization of specific blocks in the game to have more aligned selections to their models.

Nuit Interoperability for OptiFine/MCPatcher and legacy FabricSkyBoxes sky formats

Disable warnings for outdated resource/data packs

Adds culling to leaf blocks, providing a huge performance boost over vanilla.

Improves play experience on multiplayer servers.

Port of Sodium Extra to work with Embeddium/Rubidium on (Neo)Forge

Cull leaves while looking hot!

Fast nvidia only rendering engine for sodium

Reduce GPU and CPU usage automatically when no user operation exists.

Supported entities and items such as torches, lanterns, or enchanted gear emit light! Server-side!

Speed up your world loading by removing unneeded chunks.

Instantly closes the loading terrain screen on world changing and drastically reduces the resource pack loading screen duration

Radium is an Unofficial Fork of CaffeineMC's "Lithium", made to work with Forge Mod Loader.

Render the GUI and screens at a lower framerate to speed up what's really important: the worldrendering.

A performance mod designed to optimize Minecraft's memory usage.

Mod for optimizing signs and beacons.

Unofficial Fork of CaffeineMC's "Sodium", made to work with FML

Removes useless information from the debug screen.

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

A performance mod designed to optimize Minecraft's general performance and unofficial fork of Lithium mod for Minecraft Forge.

Vulkan renderer mod for Minecraft.

This mods allows more precise manipulation of entity view distance on client and server

Speeds up entity animation calculations!

Tweaks for Minecraft CPU scheduling and unofficial fork of Smooth Boot mod for Minecraft Forge 1.18.2+

A simple mod that displays the current FPS on screen

A simple mod that adds fade-in animation for chunks!

Improves pinging behaviour of the multiplayer server list

Reduces your waiting time by loading modpacks significantly faster (currently 48% - 71%)

Improve Minecraft CPU scheduling

Launch at the speed of light.

A Minecraft mod which adds better grass and snow to the game.

A simple zoom key for Minecraft

Improves biome colors

Client Side mod that optimizes entity's on the render thread. Fixes https://bugs.mojang.com/browse/MC-228976

Stop crashes from closing your game!

Speeds up the leaf decaying process

A Fabric mod that fixes gaps in generated item models.

No-compromises lighting engine optimization mod

Custom Entity Models suport on Fabric

Reduces Minecraft's resource usage while it runs in the background.

Adds dynamic lights for players, items, mobs, etc.

A MoreCulling extension mod with smaller changes I don't want to put into MoreCulling. MoreCulling API example mod

Allows you to increase FPS with a large crowd of players

Reduces the memory usage of the game in more modded scenarios

Unofficial Fork of CaffeineMC's "Phosphor", made to work with FML

OptiFabric for Legacy Fabric (1.3.1 to 1.13.2) and Ornithe (b1.7.3 to 1.14.4)

A mod that allows running OptiFine on 1.14.4 and 1.15.2 Fabric. Bringing OptiFabric back to its roots.

A mod that allows running OptiFine on Minecraft Beta 1.7.3 Fabric fork named Babric.