md5 - Mostly it's salted
32 chacters
example: 2041f5bc5a5df10fe0d1ca3d90177e70

sha-1
40 characters
example: 8eb89be96d5d2d9e4ba9b7f57ff5a38f4b32bae6

md5(unix) - notice the $1$
34 chacters
example: $1$b5KbTFqM$H5g24/3.tbixzYpZuZgxo.

md5(phpBB3) - notice the $H$
34 chacters
example: $H$9Ysbfu..uRgrBLQI1mpjcJ7GA0nko71

md5(Wordpress) - notice the $P$
34 chacters
example: $P$BUZXszDi9ZNZiIGLQ1escr2WDEsWZ7.

mysql
16 characters
example: 0776ab3a4927704c

mysql v5.x - notice the * (remove it for cracking)
40 characters
example: 92c8a60d734d620239e07282a45255cb44b5c87b
example: *92c8a60d734d620239e07282a45255cb44b5c87b

vbulletin md5(md5($pass).$salt)
32 characters
example: 0131b29f4428da65bf224332b1ebcf5c:fa5 (+salt)

SpaZe:
Really great work K9 !

Sc00bz:
Quote from: K9 on August 22, 2009, 00:37:54 AM

mysql v5.x - notice the * (remove it for cracking)
40 characters
example: 92c8a60d734d620239e07282a45255cb44b5c87b
example: *92c8a60d734d620239e07282a45255cb44b5c87b
That's like saying remove $1$ before cracking. This is a double sha1 "hex(sha1(sha1(pass)))" and you can tell this because of the *.