We have built two products that directly benefit Gitcoin: fundpg.xyz and framepg.xyz.

We also sell merch to fund Gitcoins Matching Pools: https://docs.google.com/spreadsheets/d/1m1a7v3qVfN2394m2oJfAXgmuKXgFNuDoEbevC4AgUXw/edit#gid=0