We are pleased to inform that the source code has been released under GNU GPL v3.0. It is a result of cooperation with Open Preservation Foundation, whose PSNC is a member. Releasing dArceo sources under the free software license makes the system more transparent and accessible for all interested – these are key conditions in the area of professional archiving and ensuring long-term access to digital content. We encourage to use the system and cooperation in its development!
dArceo source code repository: http://github.com/psnc-dl/darceo