Wordpress games is a online game-hosting platform that originally supported only Flash and Unity games but is now able to host HTML5 games.
It is very mature and boasts a large number of users and developers. Konduit a game industry, its application platform, incorporates many of the same elements as TapJS, and more.
One point of interest is that when you deploy to Wordpress, you are also deploying to Android. Wordpress games publishes an Android app that grants access to all the games on its platform.
Konduit is a bit large to discuss with any justice here, but interested readers are encouraged to read up on it at yoob