The other thing, too, is that it's pretty common for contacts with large companies to include a software escrow clause (in relation to force majeur or other eve

The other thing, too, is that it's pretty common for contacts with large companies to include a software escrow clause (in relation to force majeur or other eventuality leading to the vendor becoming unable to continue servicing the customer). Whether the customer can keep the thing alive without the vendor's help is another matter entirely.