1.21.3 mods

Lightweight and modular API providing common hooks and intercompatibility measures utilized by mods using the Fabric toolchain.

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

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

Memory usage optimizations

Adds a mod menu to view the list of mods you have installed.

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

Speed up immediate mode rendering in Minecraft

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

A Minecraft mod that provides realistic sound attenuation, reverberation, and absorption through blocks.

BetterF3 is a mod that replaces Minecraft's original debug HUD with a highly customizable, more human-readable HUD.

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

Open a LAN server to anyone, anywhere, anytime.

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.

A Minecraft mod that improves the statistics screen and makes it more useful.

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

Instanced rendering for entities and block entities using Flywheel

A small Mod that add new ambient effects to the Minecraft!

Allows you to access every item in the bundle beyond the vanilla 12 item limit.

Decorate, organize & display your books with colour! Works with Lecterns, Chiseled Bookshelves & Enchanting Tables!

A mod for sharing game files like resource packs, shaders, saves and more between separate Minecraft instances.

Press a button to empty your hand without messing with your hotbar!

A Minecraft mod for 1.21.5+ that allows the user to set seamless transitions between different light levels in different environments.