Gephi is described as 'open-source software for visualizing and analyzing large networks graphs'. There are more than 25 alternatives to Gephi for a variety of platforms, including Windows, the Web, Mac, Linux and iPad. The best alternative is yEd Graph Editor, which is free. Other great apps like Gephi are PlantUML (Free, Open Source), Graphviz (Free, Open Source), Tableau (Paid) and OmniGraffle (Paid).
- Android Tablet