1)   Crystal FLOW for C 3.91
Crystal FLOW is valuable for reviewing C/C++ source. It has: Flowcharts, Rich Trees, Visio/JPEG exports, Browser Editions: Docs: HTML docs + flowcharts, trees Professional: Call/Data Flows, RichTree, Project Flowcharts, Publisher, Custom Shapes.
flowchart, programming, c, c++, format, beautify, styler, call trees, caller trees, include-by trees,

 2)   Crystal REVS for C 3.91
Crystal REVS is the best context-sensitive editor there is. Has Flowcharts, Rich Call/Caller Trees, Tokens & Comment Panel, Real Time Auto-Formatting, Visio export, State diagrams, MISRA static checking, HTML docs, Data & Call Flows, Publisher.
flowchart, programming, c, c++, format, beautify, styler, call trees, caller trees, include-by trees,

 3)   Crystal FLOW for C++ 3.91
Crystal FLOW is valuable for reviewing C/C++ source. It has: Flowcharts, Rich Trees, Visio/JPEG exports, Browser Editions: Docs: HTML docs + flowcharts, trees Professional: Call/Data Flows, RichTree, Project Flowcharts, Publisher, Custom Shapes.
flowchart, programming, c, c++, format, beautify, styler, call trees, caller trees, include-by trees,