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
2684 users
32601 package installations
3722 repository updates
Last month
9474 users
111742 package installations
12359 repository updates
Most Downloaded Packages (this month)
ocamlfind 5729
lwt 3739
sexplib 2965
type_conv 2838
ounit 2828
fieldslib 2139
re 1917
cmdliner 1887
cppo 1859
uri 1811