To all resource pack makers: in 1.13 pre-3 the folders for block and item textures are renamed to "block" and "item". And model names in blockstates now require "block/". Enjoy rewriting all
Texture-packs for Minecraft (PE) Pocket Edition 1.13
Classic Alternative Resource Pack 1.13.2, 1.12.2 - 9Minecraft.Net
Texture Packs for Minecraft 1.13.1
Minecraft 1.13.1 Resource Packs | MinecraftSix
Woodland Resource pack for Minecraft 1.13.1/1.12.2
Minecraft 1.13 - 3D TEXTURE PACK - Default 3D Resource Pack for Minecraft Java 1.13 - YouTube