1.21

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.

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.

A Minecraft mod that allows for efficient connected textures

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

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

Improves the ingame HUD while riding a mount

Yeet the laggy reversed DNS lookup for literal IP server addresses

Fixes Tooltips from runnning off the screen.

An efficient and non-locational redstone dust implementation

Minimalist vanilla-like widget to display your armor items and their durability. Forked by uku.

Disable the telemetry introduced in 21w38a

Improves pinging behaviour of the multiplayer server list

This is a simple mod which fixes some annoying bugs related to keyboard on Linux.

Fully functional, clientside, in-game notepad.