Auto desk is perfect software that really help us to create different projects. we as a firm appreciate it. As it have the best UI/UX designs.
ArchiCAD - ArchiCAD 16 enables BIM modeling with a new green approach to planning. Create anything you need with ArchiCAD's flexible new features for design.
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.
SketchUp - 3D for Everyone
draw.io - Online diagramming application
AutoDesk InfraWorks 360 - InfraWorks 360 preliminary engineering and design software provides tools to work on infrastructure projects in a real-world context.
PlantUML - PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams.