Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.
Snarl - Snarl is a notification system for Windows.
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.
Growl for Windows - Growl for Windows is a Windows-compatible version of https://alternativeto.
RingCentral Video - Live life unlimited. Free video meetings and team messaging in one app that works the way you do.
Notify OSD - Canonicals on-screen-display notification agent, implementing the freedesktop.