Brackets Editor
- a Free and open source multi-platform modern web dev editor, with live preview that linking with your browser
Brackets Customize
Linking with Firefox instead of default Chrome for Live Preview
- Under File menu > Enable Experimental Live Preview, then click Live Preview (that flash icon)
Show Whitespace characters
- to make it show NewLine/Indent/Space like notepad++, under extension manager, search whitespace
- find and install Dennis Kehrig's “Show Whitespace”