PSI loader

All you need is download full version here - http://blog.laptev.info/download-manager.php?id=12. PSI 0.13 included. Unpack (in PSI folder for example) and use.

Light version is here - http://blog.laptev.info/download-manager.php?id=13. Unpack (in PSI folder for example). Additionally you need to copy PSI distr files to PSI/App folder is this case.

Loader page is here - http://blog.laptev.info/en/2009/psi-portable.html

It is simple to integrate this into portableapps.com - copy PSI folder (as in example) into the portableapps folder and update icons in platform menu.