yEd Graph Editor v3.1.2.1 — Create Flow Charts, UML Diagrams, Mind Maps and Many Other Kinds of Diagrams

When I was studying UML, I found softwares used for this purpose are very costly. There were free softwares available, too, but was not able to maintain quality standard. I tried some of those softwares and found that yED Graph Editor is bit better during the studies. It is freely available.

Its technology is based on Ja...