LINK Mobility - LINK Mobility is Europe's leading provider within mobile communications, specialising in mobile SMS messaging, digital services and multi-channel conversational communication.

ProTexting - ProTexting offers mobile marketing tools for businesses to communicate with their audience via SMS & MMS campaigns.

Melrose Labs SMSC Simulator - SMPP SMSC simulator to test SMS messaging applications.

ShoutOUT - All in one business texting tool to send personalized alerts, promotions, reminders, short links and marketing campaigns, for any SMEs (hotels, restaurants, education, non profits, Woocommerce, banks, healthcare, agencies, supermarkets, weddings)

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

Clickatell - Simple, reliable mobile messaging cloud.