cool. yes, it can pull from gitlab and more. been using it a while and i highly recommend it and #accrescent (awesome app store project from graphene users), and if you have to use 3rd party signing f-droid (from a privacy perspective) checking out fdroid-basic (for unattended updates) if you haven't already.

here's a screenshot of the sources #obtanium can pull from

https://image.nostr.build/e5f8f80c2ea9bb006c72a1de559329485824a44cf4ae59f8523fb185c95ad801.jpg