What are some alternatives?
When comparing Gephi and Microsoft Power BI, you can also consider the following products
yEd Graph Editor - yEd is a free desktop application to quickly create, import, edit, and automatically arrange diagrams. It runs on Windows, Mac OS X, and Unix/Linux.
Sisense - The BI & Dashboard Software to handle multiple, large data sets.
Redash - Data visualization and collaboration tool.
Cyfe - Social media, analytics, marketing, sales, support, infrastructure... all in one place. Track your entire business in real-time.
PlantUML - PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams.
Zoho Analytics - Zoho Analytics is a self-service BI, reporting and analytics software which helps you create dashboards and analyze data. Sign up free.