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!
NotifyXF - Send notification to yourself in Telegram
Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
Signal - Fast, simple & secure messaging. Privacy that fits in your pocket.
Begin - Create and work with tasks inside Slack