TextMate.

Good text editors were so lacking on Windows that I wrote and used my own text editor for coding for years before switching to the Mac. The situation has improved as of late, though I cannot vouch for any of these links as I don’t develop on Windows anymore.

sublimetext.com an original approach

e-texteditor.com A clone of TextMate

intype.info/… Looks good, but incomplete and progress appears slow.