1)   ConceptDraw V: upgrade 7.4
ConceptDraw 7 is a powerful diagramming and drawing tool that enables you effectively visualize and communicate information and processes.
UML diagram, Business drawing, network diagram, ERD, technical diagram, flow charts, landscape design, garden design, data flow, DFD,

 2)   Visustin 3.1
Visualize your code with flow charts. Visustin generates a flow graph of code written in VB, VB.NET, VBA, ASP, C/C++, C#, Java, JSP, JavaScript, COBOL, Fortran, Pascal/Delphi, Perl, PHP, T-SQL, PL/SQL and Ada. Review and document your algorithms!
flow charts, flow graphs, Visio, diagram, sourcecode to flowchart, VB, VB.NET, VBA, ASP, QuickBASIC,

 3)   Code Visual for C/C++ 2.4
Visual Code Browser for C/C++ is a C/C++ Code Browser integrating program code editor,analyzer and documentation generator with code flowcharting and visualization.It can help programmer to browse,edit,document and understand source code.
C++ C Code Browser, C++ C editor, C++ C Documentation Generator, C++ C IDE, C++ C DEV, C++ C analyzer, C++ C flowchart, C++ C flow chart, Source Insight, flowchart,

 4)   SmartDraw 7 Suite Edition 7.01
Create professional flow charts, floor plans, technical diagrams, calendars, and more with SmartDraw! Drag and drop drawing gives you instant productivity. SmartDraw costs less than Visio, is easier to use, and includes free support. Try it for FREE!
flow charts, org charts, floor plans, business forms, network diagrams, custom calendars, engineering diagrams, flyers, maps, timelines,

 5)   ConceptDraw V 7.6
ConceptDraw 7 is a powerful diagramming and drawing tool that enables you effectively visualize and communicate information and processes.
UML diagram, Business drawing, network diagram, ERD, technical diagram, landscape design, landscape architecture, garden design, flow charts, data flow,