YouMail - YouMail turns visual voicemail into a personal assistant for handling all your missed calls.
Whappext - Whappext is an online marketing platform that helps users to send bulk messages to millions of users for the marketing of their brands.
HulloMail - Read, play and manage voicemail and missed calls on your smartphone, PC, tablet & email.
WAAM-it Sender - WAAM-it Sender is a WhatsApp marketing software that enables users to send messages from their system and smartphones anytime, anywhere.
Call Me Private - Call Me Private masks your phone number behind a virtual number, for privacy, or for a professional...
Kaleyra - Kaleyra is a platform that helps developers to build SMS and voice messaging applications for a global scale.