Simple Software

Designed to focus on code editing with an interface that is simple and minimal: A tabbed interface with no toolbars or colorful distractions.

Supports full-screen mode.
Syntax highlighting for several languages: C, C++, Assembler, Pascal, Python, Perl, Ruby, XML, CSS and many more.
Text formatting tools.
It has a simple Hex viewer.
It is a standalone binary: no DLLs or other installation hell. Copy the application to a flash drive and take it with you.

Extreme Editor - A programmers text editor