Microsoft Teams - Microsoft Teams provides the enterprise-level security, compliance and management features you expect from Office 365, including broad support for compliance standards, and eDiscovery and legal hold for channels, chats, and files.
Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.
CircleCI - CircleCI gives web developers powerful Continuous Integration and Deployment with easy setup and maintenance.
Creativity 365 - Cross-device content creation suite
Travis CI - Focus on writing code. Let Travis CI take care of running your tests and deploying your apps.