HEY - Email at its best, new from Basecamp.

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

Horde - Horde Groupware is a free, enterprise ready, browser based collaboration suite.

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)

InstAddr - Disposable email address application.

Clickatell - Simple, reliable mobile messaging cloud.