Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Slack - A messaging app for teams who see through the Earth!
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.
Taskful - Deadlines, meet your match.
NotifyXF - Send notification to yourself in Telegram
Asana - Asana project management is an effort to re-imagine how we work together, through modern productivity software. Fast and versatile, Asana helps individuals and groups get more done.