TradeGecko - TradeGecko (now QuickBooks Commerce) is inventory management software for ecommerce and wholesalers - simplify your inventory & order operations with powerful inventory management, multichannel selling, inventory reports and more!
FusionInvoice - Self hosted invoicing for freelancers and small businesses
Fishbowl Inventory - Fishbowl offers manufacturing and warehouse management solutions for QuickBooks.
Invoice Ninja - Invoice Ninja is a free, open-source solution for invoicing and billing customers.
Unleashed Software - Unleashed is powerful inventory management software. Accurately manage your inventory online, in real time, with Unleashed. Start your free trial today!
Bahaquote - Bahaquote offers complete online invoicing and billing software designed to seamlessly integrate with any business.