kleine sammlung von URL shortener websites:

site	APIs	Example
307.to
adjix.com
b23.ru
bacn.me
bit.ly	api.bit.ly	requires a personal key o_O
bloat.me
budurl.com
chilp.it
cli.gs
clipurl.us
cort.as
digg.com
dwarfurl.com
fb.me
fff.to
ff.im
goo.gl
href.in
idek.net
is.gd
j.mp
kl.am
korta.nu
lin.cr
livesi.de
ln-s.net
loopt.us
lost.in
memurl.com
merky.de
migre.me
moourl.com
nanourl.se
notlong.com
om.ly
ow.ly
peaurl.com
ping.fm
piurl.com
plurl.me
pnt.me
poprl.com
post.ly
qlnk.net
rde.me
reallytinyurl.com
redir.ec
retwt.me
rubyurl.com
short.ie
short.to
smallr.com
sn.im
snipr.com
snipurl.com
snurl.com
sn.vc
su.pr
tiny.cc
tinysong.com
tinyurl.com	1	http://tinyurl.com/api-create.php?url=http://www.guckes.net/
togoto.us
tra.kz
trg.li
tr.im
trim.li
twurl.cc
twurl.nl
u.mavrev.com
u.nu
ur1.ca
url4.eu
url.az
url.ie
urlx.ie
w34.us
xrl.us
yep.it
zi.ma
zurl.ws

Remarks

UrlShorteners