Pandoc, the "universal document converter", is a good example of a large, feature-complete Haskell project in wide use. https://pandoc.org/ https://pandoc.org/

Pandoc, the "universal document converter", is a good example of a large, feature-complete Haskell project in wide use. https://pandoc.org/ https://pandoc.org/ Most people who use it aren't aware it's written in Haskell!