Alex Loomer: Button degisn.
Giana: Button animation.
jillix: Color picker.
relsi: Stopwatch.
Laurence Muller: Multitouch experiment.
Experimental Brain Research: Fitts' law in two-dimensional task space.
AnyChart, Plotly: Graph tools.
W3Schools, Stackoverflow, GeeksforGeeks: For everything :)
Freepik, Wylde Studios, ultimatearm, makyzz, pngegg, Learning Advanced English: Vectors and Arts.