Zoho Inventory - Zoho Inventory is an online inventory management software ideal for small businesses. Simplify your inventory and order operations. Try for FREE!
Camelcamelcamel - Easily monitor Amazon product prices and get alerts when they drop.
Fishbowl Inventory - Fishbowl offers manufacturing and warehouse management solutions for QuickBooks.
Fetchee - Fetchee is a free price tracking wish list app that works with all online stores worldwide.
SellerCloud - SellerCloud is a multi-channel inventory and order management system.
Keepa - Price history charts and the option to be alerted on price drops for all Amazon sites.