Nexmo - Nexmo is a simple two way SMS API with global reach and wholesale rates
SellerCloud - SellerCloud is a multi-channel inventory and order management system.
MessageBird - Reach 7 billion phones in seconds via SMS, Chat & Voice. Try it for free and improve your communication.
Sellbrite - Multichannel ecommerce management for serious sellers.
Plivo - Plivo simplifies your customer engagement.
Webgility - Accounting, Bookkeeping and Inventory Automation for Retailers & Brands