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


Report bugs and ask for features in the OPAM tool
Report packaging issues or request new packages

Address general queries on the tool and packages
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3105 users
24819 package installations
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Most Downloaded Packages (this month)
ocamlfind 6390
lwt 4421
ppx_tools 3366
cppo 2569
type_conv 2443
sexplib 2421
coq 2269
ounit 2160
cstruct 1913
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