Find the web site of the Mac or PC user group near you. Search by US state, by country, by platform or by brand name.

Internet-based community provides education and technical support to Microsoft-certified professionals, including developers and administrators.

International association of Hewlett-Packard computing professionals provides software, publications and event details.

OS/2 users group at MIT maintains this list of US and World Wide Web addresses for OS/2 users' groups and Team OS/2 sites.

International user group for broad-based users of IBM and compatible systems, with members from most Fortune 100 companies. Formed 1955.

Purports to be the most comprehensive list of MUGs on the Internet. Includes SIGs and professional-user groups, with Web addresses.