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.
Oracle Primavera - Oracle Primavera software includes project management, product management, collaboration and control capabilities.
draw.io - Online diagramming application
EcoSys - EcoSys empowers informed portfolio, project, and contract decisions to maximize returns and margins. In a single integrated solution, EcoSys offers visibility and accountability into the full project lifecycle.
PlantUML - PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams.
Sciforma - Enterprise project management software that combines project and portfolio management: portfolio analysis, scheduling & resource management