BMT Micro, Inc. (Popularity: )
http://www.bmtmicro.com/ Shareware registration service. Takes 9.5% - 20% commission. Options include mailing list, support mail addres, and FTP storage.
ShareIt (Popularity: )
http://www.shareit.com/ Shareware registration service with presences in Europe as well as in the United States. Accepts payments in USD and Euro. ...
Shopthings (Popularity: )
http://shopthings.com/ Offers shareware registration service with competitive price and with free 7 level affiliate system
Sw-reg.com (Popularity: )
http://www.sw-reg.com/ Provides a UK-based shareware registration service to authors of shareware products. Takes payments in GBP with 15% commission.