[There is such a thing already.][1] You are free to mail your signed copy to [the HWACI postal address][2]. I did, years ago, simply to expedite things in the case I ever needed to submit a change. Whether that gets your patch into SQLite is a separate matter, but you'll at least have gotten past the major legal hurdle. [1]: https://www.sqlite.org/copyright-release.html [2]: http://www.hwaci.com/contact.html