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Main public package repository for OPAM, the source package manager of OCaml.
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This repository contains OCaml package and compiler meta-data and are used by the default installations of OPAM.

How to Contribute

You are welcome to clone this repository and send us back pull requests. You can find more documentation and useful work-flows on


All the metadata contained in that repository are licensed under the CC0 1.0 Universal license.

Moreover, as the collection of the meta-data in this repository is technically a "Database" -- which is subject to a "sui generis" right in Europe -- we would like to stress out than even the collection of the metadata contained in opam-repository is in CC0 and thus the simple act of cloning opam-repository is perfectly legal.

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