Stockpile - Stockpile is a free online inventory system for small business and at home uses.
IBM Sterling WMS - Warehouse Management
inFlow Inventory - inFlow Inventory is inventory management software for small businesses.
DSI Cloud Inventory WMS - DSI Cloud Inventory WMS is a cloud-based warehouse management system that allows you to automate your warehouse inventory.
Snipe-IT - Managing assets with a Google doc or a shared Excel spreadsheet is more common than you think.
mobe3 WMS - mobe3 WMS is a cloud-based warehouse management system that allows you to automate your warehouse inventory.