Please note that because of a short lived name change (version 17.0.1 to 18), you will sometimes find references to PASW Statistics. PASW Statistics 18 and SPSS Statistics 18 are the very same product and many authors, including from SPSS Inc never adapted to the new name.

• SPSS Statistics Homepage
• Customer Resources , namely IBM SPSS developerWorks, where you can find links to SPSS Statistics in the social networks, a forum, documentation on SPSS (manuals in many languages) and resources for programmers.
• SPSS Support

• Raynald Levesque's SPSS Tools
• Archives SPSSX-L Discussion list
• comp.soft-sys.stat.spss Usenet newsgroup via Google Groups
• UCLA Resources for learning SPSS
• SPSS Wiki User created Wiki (for the moment inactive, but still useful)
• SPSS Experts (Profiles)
• Statistical Associates (D. Garson) Collection of E-papers and e-monographs (mostly free, paid 2$ or 5$ for Kindle edition) on using SPSS for particular statistical analyses.
• SPSS Tutorials
• Andrew Wheeler's blog (advanced programming in SPSS, mostly graphical, many GPL examples)
• SPSS Tutorials (Sigma+ consulting)

• GNU PSPP a free SPSS clone project (has the basic statistical procedures and transformations)
• ViewSav Lets you see the dictionary part of an SPSS data file

• History of SPSS