BCGPEdit (BCGSoft Professional Editor) 

MFC extension library for incorporation an advanced edit control into any MFC-based application. It has the following features: Syntax highlighting, Color Blocks, IntelliSense, Markers, Symbol support, Drag/Drop support, Undo/redo support, etc...
mfc extension library mfc edit control mfc-based application editor mfc classes gui user interface windows c++ developer tools mfc programming

BCGControlBar Library Professional Edition 

MFC extension library that allows you to create the most advanced user interface in the world. It combines easy of use and very powerful feature set implemented by highly customizable collection of MFC extension classes.
mfc extension component frameworks class libraries c++ programming toolkits gui office toolbars menus customization controls development tools