For eight years now I (and now Eldarion) have run Quisition, an adaptive, browser-based flashcard system with user-contributed content.
For years it was my intention we'd rework the content-creation to support collaboration, versioning, branching, etc. I even considered the tagline "social learning" mirroring GitHub's "social coding".
I stopped short of describing what I wanted to build as the "GitHub of flashcards" because, to be frank, I think the "GitHub of X" for many values of X is actually GitHub itself.
In 2009, Eldarion rapidly built and launched Typewar which introduced a different take to the quiz genre, albeit the very limited domain of typeface recognition.
But I realized very quickly Typewar could be used as a framework for quizzes on all sorts of topics.
The thought was: what if any Quisition pack could be played like Typewar?
Then when I read the blog post on GitHub's native support for CSV files, it dawned on me: a typewar-style quiz site could be built using GitHub as the means for creating and collaborating on content.
Hence we've built QWIZ.IO.
We'll be launching a private alpha in the coming days. Follow @qwiz_io and keep reading this thought stream.
We've launched the private alpha. The focus is basic two-choice quiz creation so at the moment you need to have a GitHub account to use the site.
You can read more about the repository format, even without an account.