What can you pick up free off the internet that will help you design, build and support https://www.nokia.com/networks/mobile-networks/reefshark/ https://www.no

What can you pick up free off the internet that will help you design, build and support https://www.nokia.com/networks/mobile-networks/reefshark/ https://www.nokia.com/networks/mobile-networks/reefshark/, https://www.nokia.com/networks/ip-networks/fpcx/ https://www.nokia.com/networks/ip-networks/fpcx/ or https://www.nokia.com/networks/technologies/fp5/ https://www.nokia.com/networks/technologies/fp5/ ? These hardware products (and their supporting software) are the foundation of what Nokia is selling. There might be Linux running on top (or on the side) of this, but that isn't really the part people are paying for.