Not texture packs, but mods that are kinda texture packs

A collection by Oguraser

Packages

Adaptive Crosshair by SURV

Crosshair adapts depending on what the player is wielding and looking at.

Lava Particles by karlexceed

Adds some spark particles to lava pools

Small 3D Plants for Mineclone by Codiac

Adds mesh nodes for small plants