Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.
OfficeAmp - Collect, manage and resolve all office chores in Slack
Creativity 365 - Cross-device content creation suite
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.
TINA - TINA is a powerful, affordable circuit simulator for analog, digital, MCU and mixed signal circuits with integrated PCB design, running both offline and online.