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OCaml Web Development: Essential Tools and Libraries in 2025


Are you curious about using OCaml for web development? We outline some of the biggest tools and libraries you'll want to check out!

The transactional nature of HTTP and the convergence towards immutable state management solutions (such as Redux and consort) make OCaml a very good candidate for web application development. Further examples of its quality-of-life features include unified error handling, a simple logger, a minimalist programming model that lets the developer create web servers just using functions, and cryptography helpers and key rotations to set up security options. While this post has focussed on application development frameworks, MirageOS offers a robust, mature, and efficient deployment solution similarly grown out of a rich academic history.

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