Microsoft

PowerApps
FreePowerApps: Streamlined Low-Code Development for Businesses
iOS
Microsoft Translator
FreeComprehensive Translation Tool for iPhone Users
iOS
Project Online Essentials
PaidComprehensive Overview of Project Online Essentials
Windows
Exchange Online
PaidComprehensive Overview of Exchange Online
Windows
Project Online Professional
PaidComprehensive Project Management with Project Online Professional
Windows
OneNote Class Notebook Creator
FreeOrganize Educational Content with OneNote Class Notebook
Web Apps
Table Explorer
FreeComprehensive Overview of Table Explorer for Windows
Windows
Skype for Business (formerly Lync 2013)
FreeComprehensive Communication with Skype for Business
iOS
Office 365 Admin
FreeManage Office 365 with Ease on iPhone
iOS
My Apps - Azure Active Directory
FreeStreamlined Access to Azure Active Directory
iOS- Free
Microsoft Excel: A Powerful Productivity Tool for iOS
iOS