ESP - C language web framework.
Demandbase - Bizo
Katana MRP - Katana Cloud Inventory gives you a live look at all the moving parts of your business — sales, inventory, and beyond. Combining a visual interface and smart real-time master planner, Katana makes managing inventory and manufacturing intuitive.
6sense - 6sense is a B2B predictive intelligence engine for marketing and sales.
The Manager's Red Book - Other Retail
Hushly - Hushly is a lead generating platform for buyers and vendors.