Github: https://github.com/GnicoJP
BitBucket: https://bitbucket.org/gnico_gplus/
Twitter: https://twitter.com/GnicoJP
ActivityPub(Misskey): GnicoJP@misskey.io
Qiita : https://qiita.com/Gnico
Usually: C, C#, F#, Rust, Haskell
Sometimes: Python 3.x, TypeScript, Nemerle