PIA V10.0 for IDL 6.0/6.1:

Release note
Distribution Text
Retrieve PIA V10.0 (gzip format, ~50MB)
Retrieve full source code (gzip format, ~1.9MB)
Retrieve the documentation only (corresponding to PIA V9.0) (gzip format, ~7MB)

PIA V10.0 for IDL 5.0/5.1/5.2/5.3/5.4/5.5:

Release note
Distribution Text
Retrieve PIA V10.0 (gzip format, ~28MB)
Retrieve full source code (gzip format, ~2.4MB)
Retrieve the documentation only (corresponding to PIA V9.0) (gzip format, ~7MB)

P32Tools package: [Already included in PIA V10.0]

Readme file for P32Tools package
Retrieve P32Tools package (gzip format, ~0.5MB)

PIA11.x:

PIA11.x is not an official and validated version of PIA. It has been produced to better calibrate the C100 and C200 detectors.

It is available from the Konkoly Observatory at http://kisag.konkoly.hu/ISO/toolbox.html