Tobias Zwick
To all contributors, thank you so much for your engagement and support so far! ❤ Thanks also not only to code and translation contributors, but also to the people that helped researching for and collecting information for new features (like new quest types) on the issue tracker.
Code contributions: Check this complete list of contributors on GitHub
See also contributors to projects used by StreetComplete, some were even specially created to help it.
Translations: See info extracted from POEditor. It can be also reviewed in app itself in more readable form. Unfortunately POEditor is not making easy to share list of contributors.
It's GPL v3 for code and mixed Creative Common licenses for assets (of which none is more restrictive than CC-BY-SA).
Check following files to see sources and authors of the single resources in detail.