Re: Third-Party OGL-d20 games/settings?
Yes, it helps.
There are a lot of OGL products that are pretty much available only on Drive-Thru. Some are actually interesting, if seemingly absurd (like the awakened-animal adventuring of things like Pugmire and Ponyfinder).
From: firstname.lastname@example.org <email@example.com> On Behalf Of Frost
From the newest release (6.07.10 BETA) here's the "data" folder, with the relevant folders highlighted for who has content in the newest version.