TreeGenerator is a powerful software to create 3D trees for your forest or architectural scenes, or realtime projects.
It allows creating low polygons trees and includes billboard cloud features to have you trees as light as possible for game projects. You can edit your tree easily in realtime.
You can export in 3DS, OBJ and DXF files, as well as 2D screenshots.
Edraw Max - Vector-based diagramming software with lots of examples and templates. Easy to create flow charts, organizational charts, business diagrams, science illustration, UML diagrams, BPMN diagram,... ...