Basic functionality
Block Helper shows the current block and adds useful info - just like WAILA!
Mob info
Block Helper also shows mob info such as health and mod!
Configuration menu
By pressing NUM0 (default), you can configure almost every Block Helper feature ingame!
Mod tooltips
When NEI/AMI/HMI is loaded, the mod an item belongs to is shown in the tooltip within inventories
Light level overlay
When clicking F7 (default), a light level overlay is shown that tells you where mobs can spawn!
Chunk border overlay
The borders/corners of chunks can be shown by pressing F9 (default)...
Chunk border overlay #2
... the current chunk can even be highlighted in green
Enchantment helper
When NEI is loaded, all possible enchantments for an item can be listed (hover over an item and click "I" (default))
(OLD - Version 1.x) Mod support!
(OLD - Version 1.x) Many blocks have extra information which is also shown in the HUD!
(OLD - Version 1.x) Hostile mobs
(OLD - Version 1.x) Hostile mobs' names are shown in red