- BBEdit
- Vim
- Emacs
- TextMate
- SubEthaEdit
- Smultron
- TextWrangler
- Coda
- Espresso
- Sublime Text 2
- Kod
- Vico
- Chocolat
Vico looks potentially promising. Though, still no visual block selection. Very feature incomplete, yet not free.
JFTR, UltraEdit is available for Apple (and Linux!) too now. That came pretty surprising to me.
MacVim
2012? 2013?