Flowchart from Source Code for a clear view of the code.
Rich Call/Caller/File, Class Trees
Automatic Code/Comment Formatting for improved readability
Export to BMP/JPEG/Visio, Code Browser
Editions:
DataFlow: Object DataFlows, CallFlows, Inline expansion of flowcharts
Docs: Comprehensive HTML docs with Flowcharts/Trees
Professional: Code Publisher, Project Flowcharts, Custom symbols in flowcharts, Batch output Flowcharts/Trees

Crystal REVS is the best context-sensitive editor there is. Has Flowcharts, Call/Caller/Class Trees, Tokens/Comment Panel, Auto-Format, Visio export, State diagrams.
Editions:
Rules: Static Checking
DataFlow: Rich Trees, Object DataFlows, CallFlows, Inline expansion of flowcharts
Docs: Flowcharts/Trees in HTML docs
Professional: Publisher, Custom symbols, Batch output Flowcharts/Trees
ProPlus: All features + Full Project Flowchart

Crystal REVS is the best context-sensitive editor there is. Has Flowcharts, Call/Caller Trees, Tokens/Comment Panel, Auto-Format, Visio export, State diagrams.
Editions:
Rules: MISRA C Static Checking
DataFlow: Rich Trees, Object DataFlows, CallFlows, Inline expansion of flowcharts
Docs: Flowcharts/Trees in HTML docs
Professional: Publisher, Custom symbols, Batch output Flowcharts/Trees
ProPlus: All features + Full Project Flowchart

A Java GUI library that enhances the functionality and appearance of JTable.Data can also be displayed in a Treetable view.Some of the features include data sorting, excel-like filtering, dynamically add/remove columns, automatically adjust column widths and other various rendering enhancements. The library is highly customizable and can be integrated seamlessly with your existing applications/applets. Includes API Javadoc documentation.

VBdocman is a Visual Basic Add-In for automatic generating of technical documentation from your Visual Basic source files with just few mouse clicks. It parses source code and automatically creates table of contents, index, topics, cross-references and context sensitive help in CHM, HLP, HTML, RTF, XML and other formats. It also contains sophisticated comment editor.

Create Flowchart from Source Code with one click. Get a clear view of the code with Flowcharts. Inherited legacy code? A new member of the team? You will be up to speed in significantly less time

Automatic-Formatting of Code and Comments. More than just indenting and line wrapping. Line up object-names in successive declarations. Line up assignment operators in assignments
Improved code readability saves time. Export to bmp/jpg/visio

VBdocman .NET is a Visual Basic .NET add-In for automatic generating of technical documentation from your Visual Basic .NET source files with just few mouse clicks. It parses VB .NET and ASP .NET projects and automatically creates table of contents, index, topics, cross-references and context sensitive help in Help 2, CHM, HTML, RTF, XML and other formats. It also contains sophisticated WYSIWYG comment editor.

DocFlex/Javadoc is both a template-driven multi-format Javadoc Doclet and a programming tool for rapid development of professional quality doclets able to generate Java API documentation in framed/single-file HTML, RTF and TXT formats. Full support of new Java 5.0 language features. A graphic Template Designer allows sophisticated visual programming without direct Java coding. The user-friendly Doclet GUI. The ready-to-use Standard Template Set.

Template-driven multi-format Javadoc doclet. The included Standard Template Set allows instant generation of both framed and single-file HTML, the exceptional quality RTF with rendering of HTML tags embedded in Java comments (including images) and TXT output. Full support of new Java 5.0 language features. Using a Doclet GUI you can assign all settings in special inspector dialogs, start the generation, track its progress and stop at any moment.

CppDoc generates HTML documentation for your C++ classes, based on your source code and special comments embedded within it. It supports JavaDoc tags (@see, @return, etc.) and can produce JavaDoc-style output. The documentation comments are optional; if you leave them out, CppDoc will still generate a full set of documentation based on class relationships and hierarchy.