Alexa for Business: Smart Alexa can be used for a whole lot of things. Alexa can be your very own executive assistant who could do a whole variety of skills that has been programmed.

You can use her to start your meetings, book your calendar, book meeting rooms, etc.

Chime: This service is similar to Zoom, BlueJeans, Google Hangout. This is a cloud-enabled audio/video conference application. The main selling point is that it works with low bandwidth. This is used at Amazon by its employees.

WorkDocs: Think about it as a dropbox for AWS. It helps in safely and securely storing your documents. You can then set permissions to share the documents with people.

WorkMail: It is a secure, managed business email and calendar service with support for existing desktop and mobile email client applications.

WorkMail+WorkDocs=Office365