RPG Dragon Files

The Dragon Tools are a collection of DnD 4E RPG game aids for players and DMs alike.
They currently consists of the Dragon Player (for players) and the TurnManager (for DMs)

The Dragon Player allows you to open .dnd4e files (from the Character Builder) and use the application during play to keep track of HP, damage, used powers and resources. It also allows you to view and add journal entries. To improve the usability during play you can also "decode" the DDI Compendium text for skills. The application has had few updates recently, but that is hopefully about to change. We use it in our group every week

The TurnManager allows a DM to track initiative, hp and defenses for a group of monsters and PC's. This application has undergone a complete rewrite and has a lot more changes planned. Unfortunately it looks more like an alpha release than a beta at present (although initiative tracking work as expected)