Flashy Alternatives

Clockwork is an Easy Text Message API. An SMS API for Developers. Build powerful apps and include SMS. Signup is free, Try it now.

Brings voice and messaging to your web and mobile applications.

Textable is an app that allows businesses to text their customers via SMS.

KAP Computer Solutions Pvt. Ltd.,

Jasmin is a very complete open source SMS Gateway with many enterprise-class features such as:

TextMagic is a business text-messaging service for sending notifications, alerts, reminders, confirmations and SMS marketing campaigns.

SMS Gateway is your bridge between the Internet and the world of cell phone SMS text messaging.

Pony Express HQ is an SMS text message marketing for small businesses, real estates, clubs, communities, dispensaries or non-profits. Send and receive text messages and images online with the large group of customers. Group texting app no reply all.

freemium $7.0 / Usage

Nexmo is a simple two way SMS API with global reach and wholesale rates

BSG bulk SMS service covers 1100+ mobile operators in 230 countries ► Mass text messaging is cheap and effective promotion tool ► Use group texting to extend your customer reach like never before ► Starting from €0.

Plivo's Voice API enables businesses to build Voice apps to reach customers globally in 200+ countries. Try Plivo's Voice API for free. Instant Sign Up.

Ozeki NG SMS Gateway is a powerful, reliable and flexible SMS Gateway application.