Comment Re:Infighting: Linux's biggest weakness (Score 1) 155
NOTHING on linux even close to a real business accounting package
Try Moneydance, which is close to QuickBooks for a small business, depending on your needs:
http://moneydance.com/
In my limited experience it's well-designed, well-supported, and geek-friendly (extensible with Python, open API, etc.). It appears to be multi-user but I've never tried that feature.