We've been having numerous site-related issues over the last couple of weeks.
I wouldn't normally advertise any products here, but our own Jonathan Roberts has created a commercial adventure that includes a complete MapTool campaign file! I've seen it -- it's a masterpiece!
As of today it appears that the Test Connection service is offline again.
InitiativeTool contains two separate tools. One to help a GM run an encounter and one to help the GM keep track of player and NPC groups.
The latest versions of InitiativeTool require a minimum of Java 6 to execute; they will not run using Java 1.5 (also known as Java 5.)