SynEdit is a syntax highlighting edit control, not based on the Windows common controls. SynEdit is compatible with both Delphi and Kylix (C++ Builder mostly works, but is unsupported).

folding
configurable gutter / gutter-parts
shared text between several editors
utf-8 support
sync-editing plugin
basic RTL/LTR support
mouse config via MouseActions
rewrite of various highlight/markup modules

Home:

http://sourceforge.net/projects/synedit/

Only for V.I.P