Gephi Alternatives

The JavaScript toolkit for graph visualization

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.

Graphviz is open source graph visualization software. It has several main graph layout programs.

Online diagramming application

PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams.

UMLGraph is a professional automated drawing tool that allows the designers the declarative specification and drawing of UML class and sequence diagram.

Cytoscape Official Web Site

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.

Dia is a GTK+ based diagram creation program for GNU/Linux, MacOS X, Unix, and Windows, and is released under the GPL license.

OmniGraffle is for creating precise graphics like website wireframes, an electrical system designs, or mapping out software class.

UMLet - Free UML Tool for Fast UML Diagrams

Search and visualize your graph data through a simple web-based interface

ArgoUML, free and safe download. ArgoUML latest version: Open-source diagramming application for personal computers. ArgoUML is a program that allows users to create complex and professional diagrams.