opam  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

  opam 2.1.0 alpha is here!

  opam 2.0.7 release

  opam 2.0.6 release

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
35393 users
2280102 package installations
30064 repository updates
Last month
35393 users
2280102 package installations
30064 repository updates
Most Downloaded Packages (this month)
atd30857
menhir24870
graphics22937
ocaml-base-compiler19268
mew_vi12737
ppx_derivers10914
ppx_yojson_conv_lib10749
stdlib-shims10308
ppx_tools_versioned10280
decoders9781
all packages