REFI Textures
MysticTempest

16px - Attempts to recapture the aesthetic of Minecraft, while improving upon visibility.

Less Dirt
DrFrankenstone

Adjusts textures so rolling hills have less exposed bare dirt.

SharpNet Photo Realism 64px
Sharpik

It's Photo Realism pack with few mod support.

OhCeeDee
ROllerozxa

Flat geometrical texture pack inspired by FVDisco's oCd resource pack.

Pixel ImPerfection
bramaudi

Pixel Im(proved)Perfection aim to be close and familiar to Minecraft texture.

Baby Sun
Blockhead

Makes the sun a cartoon shape with a baby face in the middle

Refined Textures
awuuwa

Attempts to recapture a similar aesthetic to "Minecraft", a fork of REFI_Textures to remove all the weird emphasis on cyan colors.

SimpleTextures
debiankaios

It's adding texture, not the best.