Scite

Scite combines the editing power of Scintilla with a focus on portability and ease of use. It delivers precise syntax highlighting tailored for multiple programming languages, turning code into clearly colored text. You can format, edit, and manipulate standard text files with a straightforward set of tools. The entire application is lightweight and can be run from removable media, providing a consistent, capable editing experience wherever you work, without leaving traces on the host system.