POS Notes

   uniCenta oPOS
   - bars, cafes, restaurants, supermarkets, retailers
   - hospitality, leisure
   jPOS
   Mercator
   PHP Point of Sale
   Floodhammer Media
   BlueCAT Linux POS
   POSper
   Barcode43

   Ofbiz: http://ofbiz.apache.org
   KassaNova: http://www.kassanova.org
   Floreant POS: http://floreantpos.com
   uniCenta oPOS: http://www.unicentaopos.co.uk
   LemonPOS: http://lemonpos.org
   OpenBravo: http://www.openbrave.com/product/pos (was TinaPOS)
   OpenSource POS: http://sourceforge.net/projects/opensourcepos/
   Cash Register: http://keyhut.com/pos.htm
   CAM Commerce: http://www.camcommerce.com/products/retailICE.aspx
   POSitive Feedback Software: http://www.positive-feedback.net
   PHP Point of Sale: http://www.phppointofsale.com
   L'ane POS: http://l-ane.net
   MozPOS: http://sourceforge.net/projects/mozpos
   FreePOS: http://sourceforge.net/projects/freepos
   IS4C (for Co-ops): http://www.wedge.coop/is4c/
   Action Point of Sale: http://www.actionpos.co.za
   TurboCASH: http://www.dblonline.com.au/free.htm
   Posterita free web based POS: http://www.posterita.org
   FreePOS Touch Screen (Restaurants): http://www.positive-feedback.net
   ProffittCenter: http://proffittcenter.org

Also

   osCommerce - E-commerce

And

   GnuCASH
   SQL Ledger
   XTuple PostBooks
   Compiere
      `TurboCash