OPAM logo  OCaml Package Manager

OPAM is a source-based package manager for OCaml. It supports multiple simultaneous compiler installations, flexible package constraints, and a Git-friendly development workflow. Managing your OCaml installation can be as simple as:

opam list -a         # List the available packages
opam install lwt     # Install LWT
opam update          # Update the package list
opam upgrade         # Upgrade the installed packages to their latest version


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Report packaging issues or request new packages

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3288 users
40010 package installations
7184 repository updates
Last month
15553 users
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34519 repository updates
Most Downloaded Packages (this month)
ocamlfind 11926
lwt 7612
ppx_tools 7024
cppo 5964
easy-format 4360
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