WorldEdit is an incredible mod that will allow you to edit your world in Minecraft with the help of a wooden ax!
JourneyMap is a fairly popular Minecraft mod that will allow you to use the map in real time. On the mini map you can watch all the enemies and the area around.
Mod Quark will improve your standard version of the game beyond recognition! The game will be a lot of new blocks with which you can interact.
This mod provides a large number of tools to make different NPC (mobs), each of them will have their own work or role.