amsn: support only MSN
bitlbee:bitlbee-coherence: removed support for MSN, Yahoo!, AIM, ICQ, Twitter
bti:bti-coherence: removed support for Twitter
centerim:centerim-coherence: contains nonfree services
choqok:choqok-coherence: removed support for Twitter
ekg:: only useful with Gadu-Gadu service
ekg2:ekx2: contains nonfree services and recommend Gadu-Gadu service
emsene: support only MSN
google-gadgets-gtk
google-gadgets-qt
gwibber:gwibber-coherence: removed support for Facebook, Twitter, Flickr, Foursquare, Sina and Sohu
jitsi:jitsi-coherence: contains nonfree services
kadu:kxmpp: contains nonfree services and recommend Gadu-Gadu service
kmess:: only useful with Windows Live Messenger service
kdenetwork-kopete-libre:kdenetwork-kopete-libre-coherence: contains nonfree services
libgadu:: only useful with Gadu-Gadu service
libkfbapi:: only useful with Facebook service
libkgapi: useful just with Google services
libmsn: only useful for MSN support in kdenetwork-kopete-libre
licq:lxmpp: contains nonfree services and recommend ICQ service
naim:nxmpp: contains nonfree services and recommend AIM service
papyon: only useful with MSN
perl-mail-domainkeys:: only useful with Yahoo Mail service
pidgin:: contains nonfree services
pidgin-gfire:: only useful with Xfire service
pork:pork-coherence: contains nonfree services
pyicqt:: only useful with ICQ service
pymsnt: provide MSN transport for Jabber
s3cmd: only useful with Amazon S3
ttytter:: only useful with Twitter service
yahoo-t: provide Yahoo! transport for Jabber