Kannel - Open Source WAP and SMS Gateway
Ozeki NG SMS Gateway - Ozeki NG SMS Gateway is a powerful, reliable and flexible SMS Gateway application.
KAPSYSTEM - KAP Computer Solutions Pvt. Ltd.,
Bulk SMS Services - Sending Bulk SMS to the customers will engage the customers with your business and new offers.
Power SMPP - Enterprise grade messaging software
Digimiles - Digimiles is A2P messaging platform that enables startups, SMEs, businesses and corporate's to market their products and interact with their customers 24/7 effectively.