You can use Google Chat to message anyone, as long as you know their name, email address, or phone number.

Google Spaces lets you create collaborative workspaces where your team can chat about projects, share files, assign tasks, and more — all within the Google Chat interface. Learn how to use Spaces in ...

Google Chat now integrates with IFTTT (if this, then that) to power various automations. This is available for both Google Workspace and personal accounts. As announced at Cloud Next 2024, “IFTTT ...