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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3809 users
46551 package installations
7948 repository updates
Last month
16449 users
187352 package installations
34287 repository updates
Most Downloaded Packages (this month)
ocamlfind 9441
cppo 5486
lwt 5131
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