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.
Laverna - Laverna is a JavaScript note taking application with Markdown editor and encryption support.
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
doo - A smart, simple app for reminders and to-dos
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.