An easy tool for developers to send and receive SMS and voice calls.

ClickSend is a cloud-based service that lets you send and receive SMS, Email, Voice, Fax and Letters worldwide.

RingCentral provides cloud-based communication system to modern businesses of all sizes. The system enables companies with voice, SMS, video, Fax, and team collaboration services on all major desktop and mobile platforms. All devices, services, and users can be managed through our PBX and administrative capability designed for Enterprise IT.

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

Slybroadcast is an application that allows you to send a voice message directly to the voice-mailboxes of thousands of phones, within minutes.

SimpleTexting is a text messaging platform that helps you reach your customers using one of the most effective channels: their text inbox. Send promotions, alerts, polls or reminders to your entire list in a matter of seconds.

Zipwhip is a text messaging platform which enables you to send and receive texts to and from an existing landline or toll free number.

Heymarket SMS is a business text and Facebook messaging product for teams. They get shared inboxes, templates, and other business grade features to message with customers, contractors, and partners.

Send SMS and voice messages to any country. Easily done via our website, email or your own software (API). No setup fees. No monthly fees.

CallFire is a cloud telephony platform. Easily fire off an SMS or Call. You can trigger events when your phone number is called or texted as well.