It's not quite FLOSS escrow, but source code escrow is somewhat common among big enterprise software contracts. There are companies that facilitate this, e.g. h

It's not quite FLOSS escrow, but source code escrow is somewhat common among big enterprise software contracts. There are companies that facilitate this, e.g. https://www.escrowcompany.co/source-code-escrow/ https://www.escrowcompany.co/source-code-escrow/