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
2463 users
29031 package installations
4284 repository updates
Last month
8531 users
84267 package installations
13170 repository updates
Most Downloaded Packages (this month)
ocamlfind 5626
ounit 2575
lwt 2519
type_conv 2296
sexplib 2106
cppo 2006
fieldslib 1631
easy-format 1552
cmdliner 1537
yojson 1519