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

Download and install OPAM » How to use OPAM »

News

2014-08-18 OPAM 1.2: Repository Pinning

2014-08-13 OPAM 1.2.0 public beta released

2014-01-28 OPAM 1.1.1 released

2013-11-07 OPAM 1.1.0 released

2013-10-13 OPAM 1.1.0 release candidate out

2013-09-19 OPAM 1.1.0 beta released

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

Tutorials

Installing OPAM

Creating Packages

Developer Manual

749 packages

New packages
ocamlary-test-library 0.0.0	Sep 2
opam2web 42	Sep 2
opam-doc-base 0.1.2	Sep 2
ocaml-org 42	Sep 2
ocamlary 0.0.0	Sep 2
ocamlnet 3.7.5	Sep 1
xen-gnt 1.0.3	Aug 30
fluent-logger 1.0.2	Aug 30
ocamleditor 1.12.0	Aug 30
utop 1.15	Aug 30