diff --git a/pkgs/development/ocaml-modules/parany/default.nix b/pkgs/development/ocaml-modules/parany/default.nix
new file mode 100644
index 00000000000..5c02e3efea0
--- /dev/null
+++ b/pkgs/development/ocaml-modules/parany/default.nix
@@ -0,0 +1,22 @@
+{ stdenv, buildDunePackage, fetchFromGitHub, ocamlnet, setcore }:
+
+buildDunePackage rec {
+  pname = "parany";
+  version = "7.0.0";
+
+  src = fetchFromGitHub {
+    owner = "UnixJunkie";
+    repo   = pname;
+    rev    = "v${version}";
+    sha256 = "0kylhgi1d4gj68x40ifli7pnrxkdc6ks5mgfvlcsigqg8i8nvc7q";
+  };
+
+  propagatedBuildInputs = [ ocamlnet setcore ];
+
+  meta = with stdenv.lib; {
+    inherit (src.meta) homepage;
+    description = "Generalized map/reduce for multicore computing";
+    maintainers = [ maintainers.bcdarwin ];
+    license = licenses.lgpl2;
+  };
+}
diff --git a/pkgs/development/ocaml-modules/setcore/default.nix b/pkgs/development/ocaml-modules/setcore/default.nix
new file mode 100644
index 00000000000..c2fd9aab3ba
--- /dev/null
+++ b/pkgs/development/ocaml-modules/setcore/default.nix
@@ -0,0 +1,29 @@
+{ stdenv, buildDunePackage, fetchFromGitHub, autoconf }:
+
+buildDunePackage rec {
+  pname = "setcore";
+  version = "1.0.1";
+
+  src = fetchFromGitHub {
+    owner = "UnixJunkie";
+    repo   = pname;
+    rev    = "v${version}";
+    sha256 = "1yn660gxk2ccp7lbdq9v6pjz1c3pm08s9dl9k9l5492ld6bx8fxc";
+  };
+
+  preConfigure = ''
+    autoconf
+    autoheader
+  '';
+
+  buildInputs = [ autoconf ];
+
+  hardeningDisable = stdenv.lib.optional stdenv.isDarwin "strictoverflow";
+
+  meta = with stdenv.lib; {
+    inherit (src.meta) homepage;
+    description = "Generalized map/reduce for multicore computing";
+    maintainers = [ maintainers.bcdarwin ];
+    license = licenses.lgpl2;
+  };
+}
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index b74aa793a84..475119e37f0 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -762,6 +762,8 @@ let
 
     pa_test = callPackage ../development/ocaml-modules/pa_test { };
 
+    parany = callPackage ../development/ocaml-modules/parany { };
+
     pipebang = callPackage ../development/ocaml-modules/pipebang { };
 
     pprint = callPackage ../development/ocaml-modules/pprint { };
@@ -829,6 +831,8 @@ let
 
     sedlex = callPackage ../development/ocaml-modules/sedlex { };
 
+    setcore = callPackage ../development/ocaml-modules/setcore { };
+
     sodium = callPackage ../development/ocaml-modules/sodium { };
 
     spelll = callPackage ../development/ocaml-modules/spelll { };