diff --git a/pkgs/development/ocaml-modules/macaque/default.nix b/pkgs/development/ocaml-modules/macaque/default.nix
new file mode 100644
index 00000000000..f2d13ad1f13
--- /dev/null
+++ b/pkgs/development/ocaml-modules/macaque/default.nix
@@ -0,0 +1,22 @@
+{stdenv, fetchurl, ocaml, findlib, pgocaml, camlp4}:
+
+stdenv.mkDerivation {
+  name = "ocaml-macaque-0.7.1";
+  src = fetchurl {
+    url = https://github.com/ocsigen/macaque/archive/0.7.1.tar.gz;
+    sha256 = "0wnq3pgpcrfpivr8j7p827rhag6hdx0yr0bdvma0hw1g30vwf9qa";
+  };
+
+  buildInputs = [ ocaml findlib camlp4 ];
+  propagatedBuildInputs = [ pgocaml ];
+
+  createFindlibDestdir = true;
+
+  meta = with stdenv.lib; {
+    description = "Macros for Caml Queries";
+    homepage = https://github.com/ocsigen/macaque;
+    license = licenses.lgpl2;
+    platforms = ocaml.meta.platforms;
+    maintainers = with maintainers; [ vbgl ];
+  };
+}
diff --git a/pkgs/development/ocaml-modules/pgocaml/default.nix b/pkgs/development/ocaml-modules/pgocaml/default.nix
new file mode 100644
index 00000000000..f1166d1c324
--- /dev/null
+++ b/pkgs/development/ocaml-modules/pgocaml/default.nix
@@ -0,0 +1,22 @@
+{stdenv, fetchurl, ocaml, findlib, camlp4, calendar, csv, ocaml_pcre}:
+
+stdenv.mkDerivation {
+  name = "ocaml-pgocaml-2.1";
+  src = fetchurl {
+    url = http://forge.ocamlcore.org/frs/download.php/1413/pgocaml-2.1.tgz;
+    sha256 = "0m7whlmhm7z58pfaarvkyiwaylmrz05aj6fr773zd9xlv07ljiym";
+  };
+
+  buildInputs = [ocaml findlib camlp4];
+  propagatedBuildInputs = [calendar csv ocaml_pcre];
+
+  createFindlibDestdir = true;
+
+  meta = with stdenv.lib; {
+    description = "An interface to PostgreSQL databases for OCaml applications";
+    homepage = http://pgocaml.forge.ocamlcore.org/;
+    license = licenses.lgpl2;
+    platforms = ocaml.meta.platforms;
+    maintainers = with maintainers; [ vbgl ];
+  };
+}
diff --git a/pkgs/development/ocaml-modules/reactivedata/default.nix b/pkgs/development/ocaml-modules/reactivedata/default.nix
new file mode 100644
index 00000000000..eecae885302
--- /dev/null
+++ b/pkgs/development/ocaml-modules/reactivedata/default.nix
@@ -0,0 +1,34 @@
+{stdenv, fetchurl, ocaml, findlib, ocaml_react, opam}:
+
+let
+  ocamlVersion = stdenv.lib.getVersion ocaml;
+in
+
+assert stdenv.lib.versionAtLeast ocamlVersion "3.11";
+
+stdenv.mkDerivation {
+  name = "ocaml-reactiveData-0.1";
+  src = fetchurl {
+    url = https://github.com/hhugo/reactiveData/archive/0.1.tar.gz;
+    sha256 = "056y9in6j6rpggdf8apailvs1m30wxizpyyrj08xyfxgv91mhxgw";
+  };
+
+  buildInputs = [ocaml findlib opam];
+  propagatedBuildInputs = [ocaml_react];
+
+  buildPhase = "ocaml pkg/build.ml native=true native-dynlink=true";
+
+  installPhase = ''
+    opam-installer --script --prefix=$out reactiveData.install > install.sh
+    sed -i s!lib/reactiveData!lib/ocaml/${ocamlVersion}/site-lib/reactiveData! install.sh
+    sh install.sh
+  '';
+
+  meta = with stdenv.lib; {
+    description = "An OCaml module for functional reactive programming (FRP) based on React";
+    homepage = https://github.com/hhugo/reactiveData;
+    license = licenses.lgpl21;
+    platforms = ocaml.meta.platforms;
+    maintainers = with maintainers; [ vbgl ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 8a47bd66dd2..99013f0f3c0 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -3493,6 +3493,8 @@ let
 
     lambdaTerm = callPackage ../development/ocaml-modules/lambda-term { };
 
+    macaque = callPackage ../development/ocaml-modules/macaque { };
+
     menhir = callPackage ../development/ocaml-modules/menhir { };
 
     merlin = callPackage ../development/tools/ocaml/merlin { };
@@ -3535,7 +3537,10 @@ let
       inherit pcre;
     };
 
+    pgocaml = callPackage ../development/ocaml-modules/pgocaml {};
+
     ocaml_react = callPackage ../development/ocaml-modules/react { };
+    reactivedata = callPackage ../development/ocaml-modules/reactivedata {};
 
     ocamlsdl= callPackage ../development/ocaml-modules/ocamlsdl { };