Crash Assistant - Shows a GUI after Minecraft crashes, immediately showing and analyzing all affected logs.
Ixeris - Buffered raw input and threaded event polling
Better Block Entities - A Minecraft optimization mod for Fabric-Sodium that improves framerates by improving block entity rendering via a hybrid renderer
Cubes Without Borders - Allows you to play Minecraft in a borderless fullscreen window.
Debugify - Fixes Minecraft bugs found on the bug tracker
[ETF] Entity Texture Features - Emissive, Random & Custom texture support for entities in resourcepacks just like Optifine but for Fabric
[EMF] Entity Model Features - EMF is an, OptiFine format, Custom Entity Model replacement mod available for Fabric and Forge.
Renice Shot - A Fabric client mod for taking high-resolution screenshots.
Remove Reloading Screen - Makes resource packs load in the background, allowing you to do other things while waiting!
Simply No Shading - Removes darkening on sides of geometry, inspired by the old lighting from OptiFine's internal shaders, for in-game blocks, clouds, and (block) entities.