It is available as a portable software. It features tabbed user interface for easy navigation. There is also a option to Split each tab and Split view for 2/3/4/6 files.The setting option is available in JSON Configs file. Just go to Options->setting-default to confgure the settings.
The other developer features are Code folding,Code tree structure in SynWrite style, Multi-carets and Multi-selections. You can Find and replace anything with regex. It contain some special HTML and CSS features like Smart auto completion for HTML and CSS, HTML tags completion with Tab-key, HTML color codes underline and View pictures (jpeg/png/bmp/ico).
And some other features are Command palette and Minimap in ST3 style,Micromap,Show unprinted whitespace.