Gephi is **The Open Graph Viz Platform** — an **open-source project for visual network analysis**. Applications include **Gephi** desktop application, **Gephi plugins**, **Gephi Lite** online tool, and **Gephisto**.

Discover structural patterns in your connected data. From social networks to biological systems, Gephi handles complex networks of **ten to ten million nodes** with advanced algorithms and metrics. Built-in algorithms for **community detection**, **centrality measures**, and **clustering analysis**.

Draw a network like a picture, or use the spreadsheet interface to manipulate data columns, search and transform the data. Import multiple formats and filter networks interactively. Explore your data with rich network visualizations based on advanced layout algorithms. Choose from various options including **Force Atlas 2**, **Früchterman-Reingold**, **OpenOrd**. Customize nodes and edges based on data attributes. Export high-resolution **PNG, PDF, and SVG** formats.

Gephi is free as in “free beer,” you don't have to pay. And it is free as in “free speech,” having its source code fully available under **GPL license**. Join the GitHub community: contribute code, report bugs, or create plugins to help improve Gephi.