Large - On-demand Slack bot that can get you anything for the office
Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.
Awesome PA for Startups - On-demand personal assistant over Slack & SMS
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.
DocuWork - All-In-One Back-Office Manager for Organizations.
RingCentral Video - Live life unlimited. Free video meetings and team messaging in one app that works the way you do.