COCAN: The OCaml Alliance Network
   Business-focused wiki on OCaml: why managers should choose it, lists of people and firms who use it, how to install on various operating systems, technical resources, user groups.
   http://wiki.cocan.org/

Cameleon
   An IDE specially designed for OCaml.
   http://pauillac.inria.fr/~guesdon/Tools/cameleon/cameleon.html

Camomile
   Full Unicode Standard 3.2 library for OCaml. English, Japanese. [Open Source, LGPL]
   http://camomile.sourceforge.net/

CocOCaml
   A Cocoa based wrapper for the OCaml toplevel environment. It was written to solve a number of the problems one usually runs into while running the toplevel under OS X's terminal.
   http://www.cs.unm.edu/~wneumann/cococaml/

Developing Applications with Objective Caml
   By Emmanuel Chailloux, Pascal Manoury, Bruno Pagano; O'Reilly, 2005. Book online. Many topics and examples covered. One drawback: based on old OCaml version. HTML, PDF.
   http://caml.inria.fr/pub/docs/oreilly-book/

Dimitri Ara's Page: OCaml
   Descriptions, readme files, links, downloads, software: Epeire graphical interface for OCaml debugger, ocamldsort dependency sorter for OCaml source files.
   http://www.eleves.ens.fr/home/ara/ocaml.html

G'Caml
   O'Caml compiler variant, extends ML polymorphism from parametric to non-parametric (extensional). More complex parametricity gives many features impossible or very hard to achieve otherwise: overloading, e.g., type safe value marshalling, ML value printer
   http://www.yl.is.s.u-tokyo.ac.jp/~furuse/gcaml/

LablGTK
   OCaml Gtk+ interface.
   http://wwwfun.kurims.kyoto-u.ac.jp/soft/olabl/lablgtk.html

Merjis Ltd.
   Has mod_caml OCaml bindings for Apache API, lets you run CGI scripts written in OCaml directly in Apache webserver; and OCaml tutorial, practical, detailed, for those who already know an imperative or OO language.
   http://www.merjis.com/developers/

MlGtk
   An interface between OCaml and the Gtk+ toolkit
   http://cristal.inria.fr/~cuoq/mlgtk.html

O'Jacare
   Object-oriented interface between OCaml and Java, code generator to aid interoperability via their object models, defines an IDL and allows a safety execution by static typechecking.
   http://www.pps.jussieu.fr/~henry/ojacare/index.en.html

OCaml Link Database
   Large, indexed, sorted repository of software contributions for OCaml community. Descriptions, downloads, author contacts.
   http://funlinks.camlcity.org/

OCaml Software
   Includes functional libraries, interfaces to PostgreSQL, LAPACK, Perl regexps; OCamlMakefile, syntax files for VIM, and a few more. By Markus Mottl.
   http://www.ocaml.info/home/ocaml_sources.html

OCaml for Scientists
   This book teaches the fundamentals of programming using OCaml, assuming little prior knowledge of computer programming. Particular emphasis is placed upon programming paradigms rarely seen in current scientific computing, such as exceptions, polymorphism,
   http://www.ffconsultancy.com/products/ocaml_for_scientists/

Objective Label
   Extension of OCaml with labeled and optional parameters, and polymorphic variants and methods.
   http://wwwfun.kurims.kyoto-u.ac.jp/soft/olabl/

Perl4Caml
   Allows using any CPAN Perl code within OCaml.
   http://merjis.com/developers/perl4caml/

Programming with Objective Caml
   Home of GODI advanced programming environment for OCaml; news, projects with downloads, links, source tree.
   http://www.ocaml-programming.de/

Pycaml
   Lets users build native OCaml libraries and use them from Python and conversely.
   http://pycaml.sourceforge.net/

The JoCaml System
   Experimental OCaml extension, distributed join-calculus programming model; high-level communication and synchronizing channels, mobile agents, failure detection, garbage collected. Descriptions, documents, downloads.
   http://moscova.inria.fr/jocaml/

Tuareg Mode
   For Emacs, used to edit OCaml code, gives shortcuts, syntax coloring, automatic indenting, interaction with the toplevel.
   http://www-rocq.inria.fr/~acohen/tuareg/

Yahoo Groups: OCaml_beginners
   Email forum for mutual aid of those who know they're not OCaml gurus yet.
   http://tech.groups.yahoo.com/group/ocaml_beginners/

omlet.vim
   VIM syntax file for OCaml.
   http://www.vim.org/scripts/script.php?script_id=1196