Lucidchart

: Works with Google Workspace, Microsoft Office, Salesforce, and Jira. Intelligent Diagramming Features

: Free version available; individual plans start around $9.00/month. lucidchart

Lucidchart distinguishes itself through "intelligent diagramming," which automates parts of the creation process: Create a sequence diagram with UML markup in Lucidchart : Works with Google Workspace, Microsoft Office, Salesforce,