C++ and MFC
- At CodeGuru site.
- http://www.codeguru.com/Cpp/Cpp/cpp_mfc/

PixieLib MFC Class Library
- Includes classes to implement tray icons, DIBs, menu style bars, and menus.
- http://www.dilascia.com/PixieLib.asp

XD++ MFC Class Library
- It incorporate custom graphical objects and enhanced drawing capabilities into your applications within a few miniutes.XD++ Library also includes full source code for its 270+ classes,and over 180,000 lines full tested C++ Source Code.
- http://www.ucancode.net/Products/Form2/feature.htm

Microsoft Foundation Class FAQ
- An MFC FAQ.
- http://ai.kaist.ac.kr/~ymkim/Program/mfc_faq.html

ClassGL
- A set of classes for using OpenGL (2D/3D graphics library) with MFC. [Commercial]
- http://www.solidgraphics.com/ClassGL/CGL-Overview.htm

Form++
- Provides a form or drawing surface that can be placed in any window of an MFC application. Graphical components, such as button, editbox, listbox, combobox, static, image, and calendar, can be dropped onto the Form and manipulated by the user.
- http://www.ucancode.net/Products/Form2/Summary.htm

Dundas Software
- Grids, GUI and other MFC components (open source). Also offer ASP and ASP.NET Charts controls, as well as a comprehensive TCP/IP kit (open source).
- http://www.dundas.com/

ALXSoft - MFC Grid Control
- Opportunity to download a control of the table ALXGrid. The description MFC of classes, examples of use (code with the comments). The thematic links.
- http://alxsoft.narod.ru/default.htm

Prof-UIS - Professional User Interface Suite
- An MFC extension library, which allows a C++ developer to create up-to-date, powerful and robust user interface ( GUI ) in Microsoft Visual C++ 6 and Microsoft Visual C++ .NET environment. [Commercial]
- http://www.prof-uis.com/

GO++
- A MFC extension library for graphs, diagrams and networks, with an option for automatic layout. By Northwoods Software. [Commercial]
- http://www.nwoods.com/go/mfc.htm

The MFC Professional
- An MFC resource site offering mailing list archives, novice tips, KB pointers, source code, events, user groups, tools, and related links.
- http://www.visionx.com/mfcpro/

Business Component Gallery
- The MFC extension framework library that allows you create MS-Office (tm)-like applications with the full toolbars/menus customization.Set of four date/time ActiveX controls (Date/Time Picker, Month Calendar, Duration Control, Time Intervals Control).
- http://www.bcgsoft.com/

FunctionX
- Visual C++/MFC tutorial exploring different classes that are part of the MFC library.
- http://www.functionx.com/visualc/

Binary Technologies
- A free MFC library to customize your controls.
- http://www.binary-technologies.com/

Data Mekanix
- Home of CSizingControlBar, a resizable MFC control bar library. Free source code for creating docking windows, with samples, programming manual, FAQ, and message board.
- http://www.datamekanix.com/