Monsoon Inc. | 1,433 followers on LinkedIn. Empowering businesses to compete with the best online | Monsoon is an eCommerce software company that helps merchants effortlessly manage orders, inventory, and fulfillment, as well as sell more products to more customers, more often through online marketplaces. Whether your goal is growth, increased profits, or a simpler, more efficient approach to multi-channel retail, Monsoon can help.