Working Copy - The powerful Git client for iOS
Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.
CodeHub - CodeHub is the most complete, unofficial, client for GitHub on the iOS platform.
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.
GVfs - Git Virtual File System (by Microsoft)
RingCentral Video - Live life unlimited. Free video meetings and team messaging in one app that works the way you do.