NosPack is designed for Minecraft 1.6.4.
It is available on the Technic Launcher. The current release of NosPack is version 4.2.0, released on Wednesday, July 8, 2015.

Custom Sphax Patches
Sphax PureBDcraft Modded Textures for NosPack - December 3, 2016 for NosPack 4.2.0+
Patch the main Sphax patch by placing the modded assets folder alongside the main assets folder. Allow the mods to overwrite existing textures.

Basic Prerequisites
Technic Launcher
Java Runtime Environment 8 x64 - Windows - macOS - Linux

If you wish to play around with the file, here is the direct download link.

Vanilla Minecraft Packs Compatible with NosPack
VoxelBox Scientific HD (1.6.1+) - superseded by NosLabs Custom Blocks mod
Original NosLabs Resource Pack (1.6.1+) - superseded by NosLabs Custom Blocks mod