Link 404?
Other repositories under that account seem to be cracking based, with executables only... so yeah, nah.
No vouch or idea whether legit or not, but there is one result on GitHub:
https://github.com/Yanmailde/Phrutis_MiniKeys2No source code either, just binaries; so proceed with extreme caution. Maybe it's possible to contact the repo's owner to clarify.