SciTE
SciTE is an example of an Integrated Development Environment, a class of software which typically combines enhanced editing and debugging features.
SciTE or SCIntilla based Text Editor is a cross-platform text editor written by Neil Hodgson using the Scintilla editing component. It is licensed under a minimal version of the Historical Permission Notice and Disclaimer. Lightweight and built for speed, it is designed mainly for source editing, and performs syntax highlighting and inline function reference for many different languages.