D&D 4e Combat Manager

From the website:

A Combat Manager for DnD 4th Edition (And Essentials). Keeps track of initiative order, status effects, and much more.

Paste Monsters directly from the (Offline) WotC Monster Builder using the Copy-to-Rich Text option
Load PCs directly from Character Builder Files
Shows full stat-blocks for every combatant on the main screen
Automatically saves a library of every entered monster/PC to speed preparation
Load and Save encounter rosters to save time at the table
Tracks most combat data for the GM:
Initiative order
Hit points (including temporary)
Power-expenditure (including recharge rolls)
Daily Item Usage
Lingering Effects
Saving Throws
Healing Surges