Our longtime friends at SonicStudio offer the DynPEQ plugins for trial or sale. More importantly, holders of DynPEQ licenses for versions before 1.3 can purchase upgrades at SonicStudio. You can visit the DynPEQ portal at SonicStudio through this link.
All DynPEQ plugins are available at the KVR Marketplace, including the new native-only packages. You can find the Wholegrain page with all products through this link.