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 bugs and ask for features in the OPAM tool
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3105 users
24819 package installations
6336 repository updates
Last month
11955 users
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26051 repository updates
Most Downloaded Packages (this month)
ocamlfind 6390
lwt 4421
ppx_tools 3366
cppo 2569
type_conv 2443
sexplib 2421
coq 2269
ounit 2160
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