I don’t se the above programs I’ve bought in RW5 back in RW6
If you just updated to RapidWeaver 6, you might only have the RapidWeaver 5 versions of those plugins. You need to go to the developers websites and find the RapidWeaver 6 versions and install them.
I have Weaverpix 3 and it works with the serial purchased in 2012. But I downloaded the updated version:
I downloaded the link you gave me but than weverpix 2 for RW downloaded