First post updated the download link to version 2.2.0.2. The FREE version features are sufficient enough to manage your small retail business.
Free version updates:
1. Change invoice interface to bigger fonts, especially totals and on checkout view.
2. Discounting feature to selected items in invoice.
3. Editable users.
4. Dual monitor viewing.
Check this post every now and then. I'll be adding more FREE features in the future releases. Enjoy!