1)   EDraw Max 4
Edraw Max is a vector-based diagramming software with rich examples and templates. Easy to create flow charts, organizational charts, business charts, Mind map, UML diagrams, workflows, program structures, network diagrams, maps and databse diagrams.
flow chart, organizational chart, network diagram, software diagram, business diagram, directional map, charts and graphics, database diagrams, mind map, block diagrams,

 2)   20sim Viewer 3.5.04
An advanced modeling and simulation program for dynamic systems from the same lab as Tutsim. Easy-to-use and powerfull package for mechatronics, robotics, control engineering, mechanics, hydraulics, etc. From the same lab as Tutsim.
20sim, tutsim, bondgraaf, bond graph, bondgraph, modeling, simulation, mechatronics, robotics, animation,