This post over on pcsec got me thinking about them.
Of course not all those are working, least not for me.
So here is that list with links and a few others thanks to my twitter homies
Bonus points for two of the sites from the screen shot just giving you a parallels plesk login.
Sites specifically mentioned to me in no particular order
Plain-Text.info http://plain-text.info/add/ (also has IRC support)
c0llision: http://www.c0llision.net/webcrack.php (also has IRC support)
For fun, a metasploit module that submits the hash to md5crack.com and displays the password if its found.
Lastly, for fun, a metasploit module that submits the hash to md5crack.com and displays the password if its found.
msf auxiliary(md5check_md5crack) > run
[*] Sending 098f6bcd4621d373cade4e832627b4f6 hash to md5crack.com...
[*] plaintext md5 is: test
[*] Auxiliary module execution completed
http://carnal0wnage.attackresearch.com/sites/default/files/md5check_md5crack.txt (rename to .rb)
I started to do more than just md5crack but writing regex's for different sites just seemed like a waste of time.