Post ID Phase 5 Programmer’s Notepad SynWrite PlainEdit.NET Notepad++ jEdit Sublime Text 2 – The Swiss Army Knife Brackets Aptana Studio 3 If you want to develop a website, you’ll need an HTML editor. You could, of course, use the Windows Notepad to build a website, but that would hardly be convenient, comfortable, or pretty, for that matter. Crucially, a good HTML editor must do two things very well: syntax highlighting (coloration of the code) and autocompletion.