VBto Converter
- 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.
- http://www.vbto.net

AxTools
- Provide add-ons and tools to Visual Basic 6.0 and VB.NET includes CodeSMART, EasyPatch, Source+, AxFormExtender.
- http://www.axtools.com/

VB Branding
- A 32-bit brandable application SDK for Visual Basic 6.0.
- http://www.vbbranding.com/

ActiveError Foundation
- Every function or procedure is treated like a transaction, just like in SQL Server or Access. Through this feature, Foundation can "reexecute" your code, restor-ing it in exactly the state it was in before the error occurred. Foundation lets
- http://www.cirkadia.com/ActiveErrorProductOverview.html

Advanced Imagery Library (AIL)
- A set of COM DLL's, Visual Basic modules, and Visual Basic classes give the ability to load, examine, manipulate, resize, and/or save pictures in different formats. [Commercial]
- http://www.advimglib.com/

beWise - Edelwise Basic Variables
- Component providing Task-To-Task communication for Visual Basic Programs simply via variables. Available as commercial product and, in a limit version, as Freeware.
- http://www.edelwise.com/products.html

Entisoft Tools
- A function and data structure library for Microsoft Visual Basic and Office developers.
- http://www.entisoft.com/ESTools.htm

WIN32 API Type Library for VB Developers
- By Infotomic Software. [Commercial]
- http://www.infotomic.com/

Visual Expert
- Explore, understand and maintain VB and PowerBuilder applications: Impact analysis, automatic technical documentation, code cleaning, exploration of the links between objects.
- http://www.visual-expert.com/

PrettyCode.Encoder
- This tool colors your Visual Basic and VB.NET code in HTML format. Advanced options enable you to add line numbers, change default auto-indenting options, your custom colors.
- http://www.vbcity.com/encoder/

Visual Code Scan 6
- Scan Visual Basic 6 projects for dead code, unused and undeclared variables, and functions with no return type. Plus other helpful tools.
- http://windsweptsoftware.com/codetool/vcs6.htm

VBDOX
- Simple tool for creating technical (API) documentation in HTML format from Visual Basic source code, VBScript or ASP pages comments. Itself written in visual basic and allowing external documentation generators and comment parsers.
- http://vbdox.sourceforge.net/

Visible Progress Technologies
- 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.
- http://www.visibleprogress.com/

VBGuard
- An error detection and debugging tool for Visual Basic developers. Intercepts run time and programming errors before they crash your program, keeping your code clean and users happy.
- http://www.andreamaldini.it/VBGuardSite/

HALLoGRAM
- Shop of Visual Basic tools.
- http://www.hallogram.com/menus/Visual_Basic.html

VBShop
- Tools and tips for Visual Basic programmers.
- http://www.aivosto.com/vb.html

SoftWIRE
- 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.
- http://www.softwiretechnology.com/

CodeColorizer
- Convert your source code to colorized (syntax highlighted) HTML documents. Colorized source code is easier to read and can help to document, learn, understand, debug, print and publish source code.
- http://www.chami.com/colorizer/

Digital Lenz - Code Generators & VB Developer Tools
- Are providers of Microsoft Visual Basic developer tools and software to increase developer productivity including source code documentation, automatic code generators, documentors, and standards checking.
- http://www.digital-lenz.com/

Visual DLL
- The DLL Construction Kit for Visual Basic. By Simply Solutions Software Development Corporation.
- http://simplysolutions.com/

VB6ToVC6
- Visual Basic 6 to Visual C++ 6 sources converter. [Open source, GPL]
- http://sourceforge.net/projects/vb6tovc6/