What is OCaml used for? https://www.quora.com/What-is-OCaml-used-for?share=1
Further infos:
awesome-ocaml - A curated collection of awesome OCaml tools, frameworks, libraries and articles: https://github.com/ocaml-community/awesome-ocaml
OCamlPro Research and Development: https://www.ocamlpro.com/research-and-development/
OCaml Weekly News (RSS): http://alan.petitepomme.net/cwn/cwn.rss