A quick search through github, i found there are so many open projects out already, you just have to know how to search. for example, https://github.com/Maedi/CometHop https://github.com/jonathanKingston/britto https://github.com/chris-ramon/minitrello https://github.com/maeharin/dokoiru https://github.com/tomsoderlund/MathPlay https://github.com/philippkueng/rock-paper-scissors