Have you ever wanted to extend the functionality of a standard rail system? RailCraft mod adds new types of rail, all kinds of logic circuits for railway tracks.
GrungeBDcraft is a very high quality resource pack created based on PureBDcraft. There are three versions in resolutions 128x, 256x and 512x. The last two very demanding, especially if you play with shaders. For the weak computers can use the 128x version
LiteLoader is a popular mod the loader when Forge which allows you to install mods and ensure that they are compatible with each other. It can work with Minecraft Forge or Forge Mod Loader (FML) not to cause conflicts.