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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3129 users
25065 package installations
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Most Downloaded Packages (this month)
ocamlfind 6456
lwt 4511
ppx_tools 3478
cppo 2549
type_conv 2454
sexplib 2425
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ounit 2154
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