Software not answering IQs

This is a list of Software that is still somewhat widely used that does not reply to all IQ stanzas.


 * Identica XMPP interface
 * Kopete in version 0.12.7 (KDE 3.0 users tend to have this), fixed in 0.80 (possibly earlier)
 * strophejs doesn't allow for proper handling:
 * Tigase (at least the instance on tigase.org)
 * Spectrum (gloox?)
 * bitlbee