Julialy's X-Ray Mod 1.12.2 → 1.11.2 (X-Ray on LiteLoader)
XRay Mod Download for Minecraft 1.8/1.7/1.6
Strongestcraft (Xray resource packs, updated Apr. 27th 2015! Works with FTB, TFC & more mods!) - Resource Packs - Mapping and Modding: Java Edition - Minecraft Forum - Minecraft Forum
Minecraft 1.7 5 X Ray - Colaboratory
Julialy's X-Ray Mod 1.11.2, 1.10.2 (LiteLoader Version) - 9Minecraft.Net