• a Free and open source multi-platform modern web dev editor, with live preview that linking with your browser
  • http://brackets.io/

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”