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

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3069 users
37118 package installations
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Most Downloaded Packages (this month)
ocamlfind 8127
lwt 6182
ppx_tools 4711
sexplib 3993
type_conv 3875
cppo 3496
ounit 3305
fieldslib 3021
re 2797
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