R/P

Adds the ability to claim chunks and make player parties, integrates with Xaero's Minimap and World Map

Adds suggestions for NBT tags in commands

Providing electricity to a world near you

Replaces the command block GUI to allow editing multiple command blocks at once

Makes Minecraft command suggestions more useful.

Adds integrated circuits to compact your redstone circuits into one block

Improved syntax highlighting for Minecraft commands with theme support using TextMate

Unified management of chest storage

Makes certain items/blocks/dimensions which were previously inaccessible in structureless superflat available