Financial (some banks), crypto (HKIO), Facebook (spam fighting iirc), SaaS apps (JanRain, Wagon, etc.) ... Haskell is a general purpose lang (unlike Go), and c

Financial (some banks), crypto (HKIO), Facebook (spam fighting iirc), SaaS apps (JanRain, Wagon, etc.) ... Haskell is a general purpose lang (unlike Go), and compiles to native code (unlike Python) which makes it quite fast running. There's a list here: https://wiki.haskell.org/Haskell_in_industry https://wiki.haskell.org/Haskell_in_industry