Capital PC User Group (CPCUG) Home Page  
   Some interesting APL links here, but they have to be found.
   http://cpcug.org/

FinnAPL Home Page  
   Great APL site, specially if you speak Finnish. However, there is much in English also, particularly the very famous FinnAPL Idiom Library.
   http://www.pyr.fi/apl/index.htm

ACM SIGAPL Home Page  
   SIGAPL is the ACM's special interest group devoted to APL.
   http://www.acm.org/sigapl/

The British APL Association  
   Contains committee listing, membership details, a current members listing, and contacts.
   http://www.vector.org.uk/baa.htm

Association francophone pour la promotion du langage APL  
   The French Association for the promotion of APL
   http://www.afapl.asso.fr/

Vector's APL Product Guide  
   Find other organisations here.
   http://www.vector.org.uk/prodguid/index8.htm