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


News

Contribute

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
2558 users
62966 package installations
8237 repository updates
Last month
9223 users
254742 package installations
34193 repository updates
Most Downloaded Packages (this month)
ocamlfind 10547
cppo 5952
ppx_tools 5593
camlp4 5487
lwt 5186
ounit 4126
yojson 4065
easy-format 3937
biniou 3907
re 3700
all packages