Hi Vijay, lslpp "liSt Licenced Program Products" is an IBM implementation and as such only lists IBM products.
If you have rpm installed you can use
rpm -qi -all
which lists IBM installed software and any open-source or third party vendors.
Note, only those products installed using rpm will show additional information and not all of them will show the publisher - it all depends on what the publisher put into the install.
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Michael Davison
EMEA Support Team Lead
Fortra
Peterborough
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