DefusEd
DefusEd is the level editor and uploader for Defuse. This Adobe AIR application sports a simple point and click interface for quickly building, testing and uploading levels for Defuse. DefusEd was the internal tool used to construct all the content for Defuse and it’s also open for anyone to use (download here).
To learn how to use DefusEd check out the quick start videos. DefusEd runs on both Windows and Mac OS.