Where can I download WordPress themes from? [closed]

What sites offer WordPress themes to download? (Can be paid-for or free)

It’s community wiki so if we had one site per answer, and with a little additional detail on each site, what sort of themes they generally offer, whether their themes are paid-for or free etc.

WordPress Offical Repository

http://wordpress.org/extend/themes

Official repository hosted by WordPress. Hosts several free themes and offers automatic updates.