Really Recommend, But

Clumps XP orbs together to reduce lag

A simple mod to fix various problems with packets, nbt and timeouts.

Yeet the laggy reversed DNS lookup for literal IP server addresses

When crashing, you can go back to the title screen and keep playing, without needing to restart, alongside other things to make crashes more pleasant.

Reduce GPU and CPU usage automatically when no user operation exists.

A significantly faster Random Generator implementation for Minecraft, with near vanilla parity.

Adds tags and configuration options for defining how dropped items should combine.

An updated version of Runemoro's VanillaFix and also ported to the latest version

A mod made to merge dropped items beyond the vanilla stack limit while considering mod compatibility.

An unofficial fork of LanguageReload for (neo)forge