Yes, both ShipLeaf and Order MS offer a Free Trial.
ShipLeaf is designed for Large Enterprises, Medium Business and Small Business.
Order MS is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Pricing for ShipLeaf Starts at $9/Month whereas for Order MS Starts at $25/User/Month.
Some top alternatives to ShipLeaf includes Easyship, Spark Shipping, Shippo, ShipMonk, inFlow Inventory, Order MS, 2Ship, Shipthis, Fulfill and Shipedge.
Some top alternatives to Order MS includes Rutamsoft Inventory Management System, inFlow Inventory, Multiorders, CyberStockroom, ZapInventory, Shopventory, Acctivate Inventory Software and EZOfficeInventory.