[OT] - Business Accounting program

I need to find a double entry accounting program for a new non-profit business. Possibly, cross-platform (not necessary, though). I've waded through googlemania, only to be inundated by the vast amount of programs that are out there, from very alpha to stable. I'm using SuSE 8.1. Any help/experience to narrow the list of possibles would be appreciated. Bernd -- "If you want to build a ship, don't drum up the men to gather wood, divide the work, and give orders. Instead, teach them to yearn for the vast and endless sea." Antoine de St. Exupery