Haskell in the Wild

Companies that use Haskell
There are lists of companies that use Haskell on the Haskell web site and on Quora. A few highlights are Facebook, IBM, Twitter, AT&T, Bank of America, Barclays Capital, NVIDIA and Microsoft.Some interesting links are:- Facebook uses Haskell in several projects, for example Fighting spam with Haskell.
- Galois has been an active Haskell user and promoter for over a decade. This talk introduces three case studies from some of their projects.
- The New York Times has a nice talk about Haskell in the newsroom.
- Running a Startup on Haskell.
Companies that use functional programming languages other than Haskell
- Twitter uses Scala, an FP with Java syntax running on the JVM. How and why Twitter uses Scala.
- Walmart uses Clojure, a dialect of the Lisp programming language. Walmart runs Clojure at scale.
- Bloomberg uses OCaml, an object-oriented version of the ML programming language. OCaml at Bloomberg.
- SocialText uses LiveScript, a functional language with many similarities to Haskell, which compiles to JavaScript. Read about their experiences.
Functional Programming in Haskell: Supercharge Your Coding

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