Haskell has been used in large-scale projects. There's an algorithmic trading firm, Tsuru Capital, that uses it exclusively, in fact. You might also be interes

Haskell has been used in large-scale projects. There's an algorithmic trading firm, Tsuru Capital, that uses it exclusively, in fact. You might also be interested in the work of Galois. They've got some slides on Haskell in industry: http://www.scribd.com/doc/19502765/Engineering-Large-Projects-in-Haskell-A-Decade-of-FP-at-Galois http://www.scribd.com/doc/19502765/Engineering-Large-Project...