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 2.0.5 release

  opam 2.0.4 release

  opam 2.0 tips

  opam 2.0.3 release

  opam 2.0.2 release

  opam 2.0.1 is out!

  opam 2.0.0 release and repository upgrade

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


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