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
Discuss the tool internals

Last week
2221 users
27453 package installations
2815 repository updates
Last month
9121 users
110791 package installations
11397 repository updates
Most Downloaded Packages (this month)
ocamlfind 5430
lwt 3521
sexplib 3116
type_conv 2864
ounit 2839
fieldslib 2182
re 2007
uri 1951
cmdliner 1894
stringext 1736