buildingtools-0.0.2-mc1.8.jar is a beta file of the Minecraft resource pack Gurkis's Texture Variation, made for Minecraft 1.8. It was published on May 25, 2015 and is 0.2 MB in size. Pre-release builds can contain bugs — back up your world before installing. For the full description, screenshots and every other version, visit the Gurkis's Texture Variation resource pack page.
How to install: Put the .zip into .minecraft/resourcepacks (do not extract it) and enable it under Options → Resource Packs.