comp.lang.ml - join
ML languages including Standard ML, CAML, Lazy ML, etc. (Moderated)
Low activity, 437 subscribers, Usenet

fa.haskell - join
Medium activity, 715 subscribers, Usenet

comp.lang.functional - join
Discussion about functional languages.
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comp.lang.lisp - join
Discussion about LISP.
High activity, 4288 subscribers, Usenet

comp.compilers - join
Compiler construction, theory, etc. (Moderated)
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OCaml GUI - join
Mailing list to discuss design and development of a cross-platform Graphic User Interface for the OCaml language
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alt.comp.lang.haskell - join
Low activity, 139 subscribers, Usenet

comp.lang.scheme - join
The Scheme Programming language.
Medium activity, 1994 subscribers, Usenet

comp.lang.prolog - join
Discussion about PROLOG.
Low activity, 745 subscribers, Usenet

comp.lang.haskell - join
Polymorphically-typed lazy purely-functional programming.
Low activity, 557 subscribers, Usenet