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.
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.
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.
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 pri...
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.