I'm on GitHub, Keybase, and TypeRacer.
Sinusoid is a music programming environment.
Smush is a multiplayer text-based worldbuilding game.
Fortuit is a prediction tracker. (more)
Tsundict is a Japanese dictionary website (a web frontend to JMdict).
Cutting Down Trees is an idle game.
Tsundiary is a diary site. (more)
Well Done is a roguelike.