I wish the link for "Global Free Tier" [1] included an actual list of the free tiers GhostBox is using (ideally also including some kind of table/rubric for comparisons and any limitations, benefits, etc unique to each).

It sounds like Github Actions is the first choice, if it's unavailable (or if Github blocks GhostBox in the future), are each of the alternatives viable as a more or less drop-in replacement? Or would there be loss of functionality?

Those are the questions I had when reading through the site so I think some basic technical docs would go a long way to help people understand the project and decide to give it a try. I like the cute/whimsical branding but I'll admit to doing a little internal eye-roll when I clicked that link expecting technical specifics and instead read:

  > GitHub Actions is only the first place ghosts come from. There are strange little pockets of temporary compute all over the internet. Ghostbox makes them feel like one small machine. 

[1] https://www.ghost.charity/#gft

Yeah, I'm open to this concept, but I'm a little hesitant to clone a private repo somewhere random and undisclosed and then inject secrets.

Right now it's only GitHub Actions. I didn't want to overbuild in case it wasn't a thing for others. I mostly use Actions myself. But I'm open to adding more. I think the GFT is real.