Lob - A simple API to integrate print & mail solutions into your applications.
Zoho Inventory - Zoho Inventory is an online inventory management software ideal for small businesses. Simplify your inventory and order operations. Try for FREE!
PostGrid - Transform your Offline Communications. Use our fully-documented REST API to send personalized letters, checks, postcards and improve address accuracy.
Fishbowl Inventory - Fishbowl offers manufacturing and warehouse management solutions for QuickBooks.
AmazingMail - Business print-mail solution
SellerCloud - SellerCloud is a multi-channel inventory and order management system.