XTrace allows you to receive trace() data without the Flash IDE. XTrace wraps around a custom socket server I wrote in java that will accept connections via XMLSocket on port 9994. To easily send trace data to the "trace server' you can use the custom debug class included with the download. After calling debug.initSocket('127.0.0.1"); all data passed to debug.trace() will be send through a socket and given to the "trace server'. XTrace will display the data received from the "trace server' in a floating window.
I've recorded a quick tutorial on how XTrace works. If you're new to XTrace, or just want a quick refresher I encourage you to take a look.