Here is the list of all the services I have found so far (not in any specific order):

Sharebee (http://www.sharebee.com)
Account Registration: No
Upload Methods: Single Local
Free hosts supported: megaupload.com, zshare.net, badongo.com, rapidshare.com
Note: will maintain reuploading if the serviceHeroturko??™s link is accessed once in 30 days

ShareOnAll (http://www.shareonall.com)
Account Registration: Yes (optional)
Upload Methods: Multi Local, Single Remote, Software
Free hosts supported: rapidshare.com, megaupload.com, filefactory.com, depositfiles.com, easy-share.com, zshare.net
Note: maximum 4 free hosts.

FTP2Share (http://www.ftp2share.com)
Account Registration: Yes (required)
Upload Methods: Single Local, Single Remote, FTP
Free hosts supported: rapidshare.com, depositfiles.com, megaupload.com, filefactory.com
Note: support premium and collector accounts.

MassMirror (http://www.massmirror.com)
Account Registration: No
Upload Methods: Single Local, Single Remote, Software
Free hosts supported: badongo.com, fastuploading.com, megaupload.com, rapidshare.com, zshare.net
Note: support upload form to use on blog, website.

Xirror (http://www.xirror.com)
Account Registration: Yes (optional)
Upload Methods: Single Local, Single Remote, Software
Free hosts supported: rapidshare.com, uploaded.to, rapidshare.com, netload.in
Note: interface is not in English

YouMirror (http://youmirror.biz)
Account Registration: Yes (optional)
Upload Methods: Single Local, Multi Remote, Software
Free hosts supported: bluehost.to, sharebase.de, rapidshare.com, uploaded.to, archiv.to, gulli.com, datenklo.net, share-online.biz, load.to, megaupload.com, speedyshare.com, cocoshare.cc, simpleupload.net, netload.in
Note: maximum 5 free hosts, encryption supported.

mirrorIT (http://www.mirrorit.de)
Account Registration: Yes (optional)
Upload Methods: Single Local, Single Remote,
Free hosts supported: sharebase.de, rapidshare.com, megaupload.com, share-online.biz, filefactory.com, netload.in, simpleupload.net, datenklo.net, bluehost.to, load.to, sendspace.com, files.to, uploaded.to, cocoshare.cc, archiv.to
Note: maximum 3 free hosts.

Xlice (http://xlice.net)
Account Registration: Yes (optional)
Upload Methods: Single Local, Multi Remote, Software
Free hosts supported: bluehost.to, datenklo.net, fastshare.org, files.to, gulli.com, load.to, netload.in, rapidshare.com, sharebase.de, share-online.biz, simpleupload.net, uploaded.to, uploadstube.de
Note: interface is not in English, also paid account, maximum 4 free hosts.

NextSpread (http://nextspread.com, http://www.xlspread.com/)
Account Registration: Yes (optional)
Upload Methods: Multi Local, Multi Remote (for registered users), Software
Free hosts supported: rapidshare.com, meinupload.com, bluehost.to, uploaded.to, share-online.biz, simpleupload.net, netload.in
Note: interface is not in English, maximum 4 free hosts.

75d (http://www.75d.de)
Account Registration: Yes (optional)
Upload Methods: Multi Local, Multi Remote
Free hosts supported: rapidshare.com, netload.in, uploaded.to, datenklo.net, archiv.to, fastshare.org, bluehost.to, share-online.biz
Note: interface is not in English

FileSpreading (http://filespreading.com/)
Account Registration: Yes (optional)
Upload Methods: Single Local, Single Remote
Free hosts supported: rapidshare.com, boost.am, files.to, gulli.com, netload.in, rapidshare.com
Note: support upload form to use on blog, website

dr.ag (http://dr.ag/multiupload.aspx)
Account Registration: No
Upload Methods: Single Local, Single Remote
Free hosts supported: speedshare.org, mirrorit.de, future-dld.com, ultrashare.de, egoshare.com, load.to, 2xupload.de, uploading.com
Note: considered the founder of this technique, also provide other free services.

Tinyload (http://tinyload.com)
Account Registration: Yes (optional)
Upload Methods: Single Local, Single Remote (through API)
Free hosts supported: megaupload.com, mediafire.com, rapidshare.com, divshare.com, bestsharing.com, sendspace.com, uploading.com, filesend.net, easy-share.com, amazon s3
Note: not stable, couldnHeroturko??™t get to upload to all 10 mirrors or amazon s3
.
Afrid.com (http://www.afrid.com)
Account Registration: No
Upload Methods: Single Local
Free hosts supported: rapidshare.com, axifile.com, badongo.com, filesend.net, cocoshare.cc, depositfiles.com, mihd.net, sharing.ru, turboupload.com
Note: none.
Below are the maximum file size of some free hosts supported:

at www.archiv.to 250 MB
ba www.badongo.com 1000 MB
bh www.bluehost.to 100 MB
cc www.cocoshare.cc 100 MB
df www.depositfiles.com 300 MB
dk www.datenklo.net 250 MB
ds www.divshare.com 200 MB
es www.easy-share.com 100 MB
ff www.filefactory.com 300MB
ft www.files.to 200MB
fu www.fastuploading.com 500 MB
gu www.gulli.com 150 MB
lt www.load.to 300 MB
mu www.megaupload.com 500 MB
nl www.netload.in 400 MB
rs www.rapidshare.com 100 MB
sb www.sharebase.de 200 MB
so www.share-online.biz 100 MB
ss www.sendspace.com 300MB
su www.simpleupload.net 300 MB
ut www.uploaded.to 250 MB
zs www.zshare.net 100 MB

If you know any of similar services, please let me know in the comment!