Create help system for Delphi source code. It can be generated as popular Help formats (HLP and CHM) so printed documentation in PDF format. http://www.srchelp.com
A RAD help authoring tool allows to build a Windows Help files for Delphi component based on its source code to be integrated into Delphi IDE help system environment. http://www.thewsoft.com/
An tool which allows you to investigate Delphi and C++ Builder applications during them are running. [Freeware and commercial versions] http://www.devrace.com/en/dap/
DelphiCodeToDoc is a free documentation system for Delphi. It uses information about source code symbols and formatted comments in files to produce accurate documentation from application and component. http://dephicodetodoc.sourceforge.net/
Installer for Delphi developers based on Object Pascal Script, a design Studio and a common framework for installation and upgrade. http://www.lizajet.com/
A tool to generate flowchart from source code C,C++,VC++(Visual C++ .NET),Delphi(Object Pascal). Its flowchart can expand and shrink. Also in VCL component version with FlowchartImage name. [Commercial] http://www.ezprog.com/