Crimson Editor Crimson Editor is a professional source code editor for Windows. This program is not only fast in loading time, but also small in size (so small that it can be copied in one floppy disk).

While it can serve as a good replacement for Notepad, it also offers many powerful features for programming languages such as HTML, C/C++, Perl and Java.

Syntax Highlighting for HTML, C/C++, Perl, Java, Matlab and LaTeX. Also, it can be extended for other programming languages based on custom syntax files.

Other features include undo/redo, user tools, macros, spell checker and more.