IBM AIX: Unix Operating System:IBM home page for AIX; many IBM AIX resources, product and service descriptions, links.
AIX Information and Resources: Brief list of AIX and RS/6000 documents, support, tools/software.
AIX Library Server: Freely available AIX Software
AIX Update: Monthly technical journal for AIX professionals; free content, code, links, news.
Bull AIX Freeware: Archive of freeware and shareware for AIX (R) 4.
Comp.Unix.Aix archive: Usenet newsgroup archive, searchable by author, subject, and keywords header lines.
Download AIX Software: Group Bull's Large Freeware and Shareware Archive for AIX (R) 4
I-006:: IBM AIX "xdat" Buffer Overflow Vulnerability
I-029:: IBM AIX Telnet Denial-of-Service Vulnerability
Introduction to VTAIX: Virginia Tech AIX Support
Jussi Maki Page: Maki is author of several fine, free programs for system administration, some of which are AIX specific: IBM AIX/6000 Performance monitor, Remote Terminal Emulator (rte-98) to benchmark multiuser systems, two disk benchmarkers.
Public Domain Software Library for AIX: Software library server with packages for AIX releases: 3.2, 4.1, 4.2, 4.3, 5.1.
ROOTVG.NET: AIX, pSeries and RS/6000 information portal, with forums, columns, security alerts, announcements from IBM and user groups, and direct links to commonly used IBM documentation.
Tek-Tips Forums for Computer Professionals: IBM AIX: Technical support, mutual help system. Forbids selling, recruiting.