What is Haskell good for? To have a stab at this, I created a cloud of the category tags used on the +1000 Haskell packages released on Hackage in the last two years,
Published by Don Stewart
Functional programmer, PhD in computer science, and ex-quantitative finance developer. I've built a lot of Haskell stuff, now trying out Rust.
I'm currently working on code search for Facebook/Meta. In the past I've held engineering management and software dev roles in finance, tech and applied research.
Views expressed are my own.
View all posts by Don Stewart
Control.Monad.Writer 
Pretty freakin cool. Although, this would be more properly titled “What is Haskell being used for?” I’m sure it’s quite good for a whole lotta other things.