Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
Zoom - Equip your team with tools designed to collaborate, connect, and engage with teammates and customers, no matter where you’re located, all in one platform.
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Zenkit - Zenkit is the home you always wanted for your ideas, your projects, your business.
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.