sakurai is a user on kamiyacho.net. You can follow them or interact with them if you have an account anywhere in the fediverse. If you don't, you can sign up here.
恥ずかしながらJavaFXで私用のメモアプリ(処女作)作りまして、Macのみですが起動だけでも。
https://github.com/mississppi/ruthe