Libraries
Native OCaml libraries
Camomile
[09-Jan-2012, version
0.8.4,
Beta]

Camomile is a comprehensive Unicode library for OCaml. Camomile provides Unicode character type, UTF-8, UTF-16, UTF-32 strings, conversion to/from about 200 encodings, collation and locale-sensitive case mappings, and more. The library is currently designed for Unicode Standard 3.2.
Bindings with C libraries
OCaml-gettext
[02-Nov-2009, version
0.3.3,
Beta]
OCaml-gettext provides enough service to build a basic internationalized program. It comes with a pure Ocaml implementation, based on Camomile, a binding to GNU gettext library, and ocaml-gettext, a tool to extract strings from Ocaml source.
OCamlGettext
[12-Nov-2002, version
0.0.1]
GNU gettext binding for OCaml.