+1 for EditorConfig Free ones I also use: Trailing Whitespace Visualiser -- marks trailing whitespace in red and can automatically strip it on save. Editor G

+1 for EditorConfig Free ones I also use: Trailing Whitespace Visualiser -- marks trailing whitespace in red and can automatically strip it on save. Editor Guidelines -- Fixed vertical column guides ArrayPlotter -- plot data in arrays on a x/y graph cppcheck add-in -- run cppcheck from within MSVC And Visual Assist of course.