• TotalEdit Free

From author's site:

A powerful editor and notepad replacement TotalEdit makes it easier to complete your file editing and software development tasks.

TotalEdit is free for commercial and non-commercial purposes (its freeware).

TotalEdit delivers a broad range of features and tools and it can be configured to work the way you want to. Language-Specific Syntax Coloring, Fully customizable environment, file explorer, external tool integration (E.g. Java, command line, Web browser) and a built-in spell checker are just a handful of the features available in TotalEdit.