A Graphical Extension to Visual Basic by SoftWIRE Technology, Inc. It combines both graphical and syntactical programming within Visual Basic. All SoftWIRE control blocks are COM/ActiveX compatible.

A 32-bit brandable application SDK for Visual Basic 6.0.

Visual Basic 6 to Visual C++ 6 sources converter. [Open source, GPL]

Utility for converting MS Visual Basic 6.0 forms to resource and source files MS VC++, MS VBNET, MS CS, Borland C++ Builder, Borland Delphi.

Offers quality assurance tools and services for Microsoft Visual Basic 6 and Visual Basic .NET source code, enabling automated code reviews and effective Visual Basic coding standards enforcement.

Scan Visual Basic 6 projects for dead code, unused and undeclared variables, and functions with no return type. Plus other helpful tools.

The DLL Construction Kit for Visual Basic. By Simply Solutions Software Development Corporation.

Explore, understand and maintain VB and PowerBuilder applications: Impact analysis, automatic technical documentation, code cleaning, exploration of the links between objects.