FinancialForce HCM - FinancialForce.com provides cloud back-office applications for Salesforce CRM.
draw.io - Online diagramming application
Vibe HCM - Vibe HCM is a recruiting and employee engagement platform.
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.
BMC Remedy - IT Service Management Suite
PlantUML - PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams.