It's properties files allows fine tweaks of its behavior, at a global or per language or per project level. These textual settings might be confusing for those used to preference dialogs, but proves to be powerful, flexible and fine grained.

Works on Windows and Linux, has a commercial port on MacOS.

The console window can show the result of ran commands (like build current file, reporting warnings and errors), but also accept interactive shell commands.

Lexers providing folding and syntax highlighting are based on code, not on regular expressions. They support context, nesting, special rules, etc.

Based on the Scintilla source code editor, it has some advanced features like rectangular editing, simple regular expression search and replace, code folding, etc. It allows to launch a compiler or interpreter and can interpret the errors messages, jumping at the location they point to. The Lua scripting language can be used to perform complex text transformations.

With less than 2 MB of binary on Windows, it starts instantly.