Firepoker - Agile Planning Poker powered by Firebase and AngularJS
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.
Planning Poker - Open source implementation of planning poker game (collaborative online estimation/voting tool).
Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.
Taiga - Project management platform for agile developers & designers
Creativity 365 - Cross-device content creation suite