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.
Any.DO - The #1 task management app used by over 11 million people globally, Any.do is your free mobile and online task manager for Android, iPhone, Web and more.
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Microsoft To-Do - Task management tool
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.