No, this agreement is the continuation of the previous one previous one . No code will be opensource due to it.
The sync is the process of reading the blocks, parse the information and save it to the internal db. It is the process of interacting with the blockchain.
But again, this is not separated from the rest of the Poktscan stack and wont be open sourced. The cost of doing so is nor negligible and cannot be covered by this agreement. Our personnel is very limited, because, as for all teams in the space, staying alive was not easy.