[dmacvicar]

NextCloud does exactly this: AGPL, no CLA.

https://github.com/nextcloud/server#contribution-guidelines-

>Nextcloud doesn't require a CLA (Contributor License Agreement). The copyright belongs to all the individual contributors. Therefore we recommend that every contributor adds the following line to the header of a file if they changed it substantially: > >@copyright Copyright (c) <year>, <your name> (<your email address>)