BetterBeds - Optimizes bed rendering, and allows you to do some other cool stuff with beds.
Cull Leaves - Similar to Optifine's Smart Leaves, but for Sodium. Optimizes leave rendering without any visual downsides.
EntityCulling - Optimizes entity rendring by not rendering entities that aren't visible.
Fabric API - Required for many of the mods on this list.
FastChest - Optimizes chest rendering.