admin at lctn.org writes:

> I am looking for a web based tool to add, edit, and delete users from an
> .htpasswd file. I have tried a couple (admuser& htpasswd.cgi), but both
> are giving me errors I cannot find a solution to. Is there one that comes
> highly recommended?

i've used http://patch.be/htpasstool/ and it worked well for me

i've hacked on it quite a bit to make it fit my needs better, it was very 
easy to play with.