ClassAct is a set of BOOPSI gadget and image classes, designed to speed up and simplify the development of GUI applications. Free to users of the applications, ClassAct is available as shareware and commercial licences for Amiga developers. The licence includes the development kit, support, and distribution rights to the shared ClassAct class libraries. For more information, refer to
http://www.warped.com/~timmer/classact.html
http://www.nai.net/~caldi/
or send mail to caldi@ct1.nai.net.
You can always download the latest version of ClassAct from ftp://ftp.warped.com/pub/amiga/classact/.