OptiFine

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

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

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

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.

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

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

A mod implementing the OptiFine/MCPatcher animated texture format

Customize Map Color, Block Colors, Colormaps and Block Sounds, Biome Colors, Dye Colors. Supports Optifine format. For Resource Packs

Fusion allows resource packs to use additional texture and model types such as connected textures!

Allows resource packs to define custom skyboxes. Formerly FabricSkyboxes

Nuit Interoperability for OptiFine/MCPatcher and legacy FabricSkyBoxes sky formats

Fixes GeckoLib animations not working if using a shaderpack with entity shadows.

A mod that makes gameplay & movement more satisfying through the use of various camera rotations, and more!

Allows resource packs to make certain entities support transparency.

Allows for entity sound variation using OptiFine format property rules

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

Because Mojang doesn't want to

Animate almost any Minecraft texture with JSON and OptiFine files. Texture configuration API. 1.16-1.20

Emissive textures with JSON and OptiFine files. 1.16-1.20

MCPatcher's CIT w/o OptiFine. A reliable fork of CITResewn!

Allows data/resource packs and mods to modify parts of json files instead of completely replacing them.

Data driven entity model library

Adds Optifine capes for Fabric