itch.io - An online game marketplace and community.
UniCommerce - Web-based multi channel order fulfillment software.
GOG.com - DRM-free game store, selling both new and old titles. No clients required.
PriceSpider - Compare prices and find the best price for an lcd tv, digital camera, and other consumer...
GnuPlot - Gnuplot is a portable command-line driven interactive data and function plotting utility.
GoFrugal Retail - GoFrugal Retail will help manage day-to-day decisions with control inventory movenements from a central warehouse or at individual stores.