Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
DigitalChalk - Online Training Software and Learning Management System (LMS)
WhatsApp - WhatsApp Messenger: More than 1 billion people in over 180 countries use WhatsApp to stay in touch with friends and family, anytime and anywhere.
Workplace by Facebook - Connect everyone in your company and turn ideas into action.
Facebook Messenger - Facebook Messenger is a faster way to message.
Onehub - Onehub helps businesses securely share and control files in the cloud.