[crubier]

For example:

https://github.com/graphile-contrib/postgraphile-plugin-conn...

and

https://github.com/graphile/pg-aggregates

[graphweaver]

Thanks this is what we have on filters so far:

https://graphweaver.com/docs/filters-and-operators

The aggregates package looks very interesting, we would love to see something similar for Graphweaver.