Numblr 

https://media.tenor.com/2pR1lYrYauQAAAAC/linkin-park-chester-bennigton.gif
 

 I tried it briefly but yes it is and from posts I’ve seen about it, it’s always been described as a Tumblr alternative  

 I never heard of cohost, but it seemed interesting. I'd like to learn how they planned to integrate tips.  

 それはおもしろいですね。 😂