This plugin implements all the features I wanted to see in Notepad++ for years, plus some more.

Implemented so far:

• Proper new line inside CommentDoc/DocBlock for C, C++, Javascript, PHP
• Proper new line for # comment in Ruby
• Indent after opening curly brace for C-like languages, CSS and proper indenting for closing curly brace
• Delete current line keeping the column
• Undo closed tab
• Switching tabs with ALT + LEFT/RIGHT
• Wrap selection with Open/Close tag
• Url encode/decode selection
• Autoclose embeded script tags for ruby and php (<% | <?)
• Column ruler
• Indent after opened tag - XML, HTML and PHP
• Close last open tag
• Autonumbering inside CommentDoc/DocBlock and # comment
• Indent after instruction for Ruby - module|class|def|do|if|else|elsif|private
• Match "end" indentation for Ruby
• Autocomplete CommentDoc/DocBlock keywords
• Peek CSS hex colors
• Scroll past end of file
• Convert leading TABS to Spaces and reverse
• Paste indented
• Double click edit tag