It looks like they were using AGPL before, but now they are switching to Commons Clause. See the history of the RedisSearch license, for example.
https://github.com/RedisLabsModules/RediSearch/commits/maste...
Yep, now I see this vague explanation on https://commonsclause.com :
> Why not AGPL?
> The AGPL was drafted in a different era where Cloud ecosystem was not nearly as well-developed. After deep legal analysis, many of the AGPL’s features were determined to be insufficient towards some of the requirements modern projects face.
> For example, much of the value for cloud-based software comes outside of the actual code (i.e. hosting) thereby nullifying many of the incentives to enforce source-availability. In addition, many of the AGPL's features can be more restrictive towards an end user that wishes to incorporate software into a new work, which makes a source-available license with additional grants more permissive.
Agreed on that, based on just reading one of her books. I wonder why didn't they choose AGPL.