Oh, also:

> 2021 Schemepunk (https://github.com/ar-nelson/schemepunk)
> 2021 Yuni (https://github.com/okuoku/yuni)

2020 scheme-lib (https://github.com/evilbinary/scheme-lib)

> 2019 Xitomatl (https://github.com/DerickEddington/xitomatl)
> 2019 Wak (https://gitlab.com/wak) -- old code with some porting patches
> 2017 Spheres (https://github.com/alvatar/spheres)
> 2015 Klio (https://github.com/mbenelli/klio)
> 2015 Spells (https://github.com/rotty/spells)
> 2011 Nausicaa (https://github.com/okuoku/nausicaa)

scheme-lib has impressive screenshots and FFI stuff. It's written and
documented in Chinese; not sure whether those people know enough English
to communicate with us. In any case, we should definitely look into
incorporating some of the code.