OCaml's powerful compile-time guarantees and high performance empower companies to provide reliable and speedy services and products. Learn more about how OCaml is used in the …

Getting started with the OCaml programming language. Read the official tutorials, exercices, and language manual.

OCaml was written in 1996 by Xavier Leroy, Jérôme Vouillon, Damien Doligez, and Didier Rémy at INRIA in France. It was inspired by a long line of research into ML, starting in the 1960s, …

Hop on the OCaml sightseeing bus. This absolute beginner tutorial will drive you through the marvels and wonders of OCaml. We'll have a look at the most commonly used language …

This page will help you install OCaml and the OCaml Platform Tools. | These instructions work on Windows, and Unix systems like Linux, and macOS.

Once you've completed this tutorial, you should be able to create, compile, and execute an OCaml project using Dune, OCaml's build system. You will be able to work with files, make …

Upon first loading an OCaml source file, you may be prompted to select the toolchain in use. Pick the version of OCaml you are using, e.g., 5.1.0 from the list.

Is OCaml Web Yet? Yes, but some parts are still missing OCaml, traditionally known for its strength in systems programming, formal verification, and as the language of choice for …

The OCaml system release 5.4 October, 2025 This manual is also available in PDF, plain text, as a bundle of HTML files, and as a bundle of Emacs Info files.

You’ll start with OCaml basics, including how to set up a development environment, and move toward more advanced topics such as the module system, foreign-function interface, macro …