Haskell Production Use

Discussions focus on the practical adoption of Haskell in startups, web development, and industry applications like Facebook's spam filtering, debating its suitability for production, popularity among developers, and real-world examples.

📉 Falling 0.2x Programming Languages
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Keywords

e.g HN ETL cufp.org FP IOHK github.com reddit.com FE GitHub haskell libraries language pandoc languages practical bleeding backend applications production

Sample Comments

syntax-case Nov 21, 2008 View on HN

Is anyone using Haskell as their main programming language in their (web) startups?

personomas Feb 26, 2023 View on HN

Any ideas why they picked Haskell?

HelloNurse Oct 1, 2025 View on HN

Haskell is suitable for, and designed for, bleeding edge experiments, not for practical usage. Its low popularity says very little about the "market penetration" of better engineered functional languages.

mej10 Nov 22, 2012 View on HN

Does this mean that Facebook is using Haskell more these days?

pjmlp Aug 17, 2015 View on HN

How many average joe developer do you see adopting Haskell in the industry?

x5n1 Jun 9, 2015 View on HN

Are there any examples of Haskell being used to do anything really cool and useful to the average programmer. To me it seems as an esoteric language that I would simply not bother using because no one uses it and deploying it would be a headache.

dboreham Nov 17, 2022 View on HN

An answer to the question "what useful thing has been build with Haskell"?

Hercuros Dec 19, 2019 View on HN

Haskell is significantly less popular than some other languages, but it has a non-trivial amount of people using it in serious applications in industry (e.g., a large part of Facebook’s spam filtering system is written in Haskell [1]), as well as for some reasonably popular open source projects like Pandoc. Furthermore, Haskell has a rich ecosystem of open source libraries on Hackage.How does this not qualify it as a language with practical applications? Frankly, your comment comes across as

codygman Apr 4, 2017 View on HN

Haskell doesn't deserve it's own bullet point yet? It's used at Facebook, I don't think esoteric is a fair classification anymore!

icrbow Nov 18, 2021 View on HN

Too late. The people are making money with Haskell for quite a few years by now.