yEd Graph Editor download

v3.8 [Oct 12, 2011]
* Initial support for shapes from Microsoft Visio. The Import Section... and Import Symbol... commands of the palette can now convert stencils of Visio XML files (*.vsx, *.vdx) into node symbols. From there, you can use these symbols like symbols of any other type as templates for creating nodes in your diagram.
* Launched new online support resources: the yEd manual is now available online, as is a new forum where you can ask yEd-related questions or tell us your most wanted yEd feature requests.
* Added missing Flowchart symbols for End Loop, User Message, and Network Message.
* Fixed the error that caused the Add Child command and the Duplicate command to freeze yEd.
* Resolved various other errors and problems.

v3.7 [Apr 19, 2011]
Fixed a label-related regression that manifested for specific label models when trying to open the label's properties dialog, for example.

v3.1 [Jul 27, 2008]
New Features
Added a new edge routing algorithm that can generate orthogonal edge paths as well as octilinear edge paths. The new octilinear style is a variation of the orthogonal edge routing style where diagonal transitions connect the horizontal and vertical segments of an edge.
Added support for octilinear edge paths to the hierarchical layout algorithm.
New configuration support in the properties table/properties dialog for preferred placement options and preferred rotation behavior for edge labels.
Introduced a new edge split gesture where a node dragged from the palette and dropped onto an edge in the canvas automatically splits the edge in two and inserts the node as an intermediate stop connecting the two edges. [Q&A 123]
Added support for scrolling the canvas using the mouse wheel. [Q&A 596]
Improvements
Enhanced the printing dialog with support for adding a footer to the print-out of a diagram.
Enhanced the printing dialog with an option to place the header/footer on each page of the print-out of a diagram.
The resizing behavior of nodes in a diagram when changing their width/height in the properties dialog/table is now configurable in the Preferences dialog. Options include resizing from upper left corner and resizing from center.
A new option in the Preferences dialog configures automatic 'fit content' behavior after resizing the canvas.
The Mac installer file is now properly recognized by Mac OS X 10.8 (Mountain Lion) to come from a trusted source. [Q&A 1487]
Bugfixes
Lots of minor bug fixes and improvements.