Qualys - Qualys helps your business automate the full spectrum of auditing, compliance and protection of your IT systems and web applications.
draw.io - Online diagramming application
Symantec Cloud Workload Protection - Symantec Cloud Workload Protection enables business agility and cost savings by automating security for public cloud workloads. Visit Symantec to learn more.
LucidChart - LucidChart is the missing link in online productivity suites. LucidChart allows users to create, collaborate on, and publish attractive flowcharts and other diagrams from a web browser.
Google Cloud Platform Security Overview - Cloud Workload Protection Platforms
PlantUML - PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams.