*.qpr ?

What are the *.qpr package ?

QNX software packages, kind of like the QNX version of a Redhat RPM. Just a nice way of distrbuting apps for QNX.

How I can open this package ?

there is a qnx faq link at the left side of your sreen. click it and go to applications. you will find the answer in the bottom middle of the page.

Everything is a tar-gzballs, the QPR and the QPKs within it.