Let the Scala compiler work for you. We provide type classes, instances, conversions, testing, supplements to the standard library, and much more.


Learn more about the organization, including our main goals, code of conduct, and governance.


Our projects cover a wide range of domains, from general functional programming to tooling.

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In addition to org-level announcements, here we show you how to use our libraries in your code, provide examples, collect learning resources, and explore implementation details.