diff --git a/pkgs/development/libraries/haskell/memcache/0.0.0.nix b/pkgs/development/libraries/haskell/memcache/0.0.0.nix
new file mode 100644
index 0000000000000..64c3d10cd124b
--- /dev/null
+++ b/pkgs/development/libraries/haskell/memcache/0.0.0.nix
@@ -0,0 +1,14 @@
+{ cabal, binary, blazeBuilder, network }:
+
+cabal.mkDerivation (self: {
+  pname = "memcache";
+  version = "0.0.0";
+  sha256 = "0bwnr28wn5anc2bcg2fwci3rgn2ykxp1gg58qg97d7lw1djmikwr";
+  buildDepends = [ binary blazeBuilder network ];
+  meta = {
+    homepage = "https://github.com/dterei/memcache-hs";
+    description = "A memcached client library";
+    license = self.stdenv.lib.licenses.bsd3;
+    platforms = self.ghc.meta.platforms;
+  };
+})
diff --git a/pkgs/development/tools/haskell/ghc-mod/6.2.1.1.nix b/pkgs/development/tools/haskell/ghc-mod/6.2.1.1.nix
new file mode 100644
index 0000000000000..038d77be54eb3
--- /dev/null
+++ b/pkgs/development/tools/haskell/ghc-mod/6.2.1.1.nix
@@ -0,0 +1,48 @@
+{ cabal, async, Cabal, convertible, dataDefault, deepseq, djinnGhc
+, doctest, emacs, filepath, ghcPaths, ghcSybUtils, haskellSrcExts
+, hlint, hspec, ioChoice, monadControl, monadJournal, mtl, split
+, syb, temporary, text, time, transformers, transformersBase
+}:
+
+cabal.mkDerivation (self: {
+  pname = "ghc-mod";
+  version = "5.2.1.1";
+  sha256 = "09dg54970s4n54xxmalr5a2g4r5jnwccl9984shmmv0vsr3h5k26";
+  isLibrary = true;
+  isExecutable = true;
+  buildDepends = [
+    async Cabal convertible dataDefault deepseq djinnGhc filepath
+    ghcPaths ghcSybUtils haskellSrcExts hlint ioChoice monadControl
+    monadJournal mtl split syb temporary text time transformers
+    transformersBase
+  ];
+  testDepends = [
+    Cabal convertible deepseq djinnGhc doctest filepath ghcPaths
+    ghcSybUtils haskellSrcExts hlint hspec ioChoice monadControl
+    monadJournal mtl split syb temporary text time transformers
+    transformersBase
+  ];
+  buildTools = [ emacs ];
+  postInstall = ''
+    cd $out/share/$pname-$version
+    make
+    rm Makefile
+    cd ..
+    ensureDir "$out/share/emacs"
+    mv $pname-$version emacs/site-lisp
+    mv $out/bin/ghc-mod $out/bin/.ghc-mod-wrapped
+    cat - > $out/bin/ghc-mod <<EOF
+    #! ${self.stdenv.shell}
+    COMMAND=\$1
+    shift
+    eval exec $out/bin/.ghc-mod-wrapped \$COMMAND \$( ${self.ghc.GHCGetPackages} ${self.ghc.version} | tr " " "\n" | tail -n +2 | paste -d " " - - | sed 's/.*/-g "&"/' | tr "\n" " ") "\$@"
+    EOF
+    chmod +x $out/bin/ghc-mod
+  '';
+  meta = {
+    homepage = "http://www.mew.org/~kazu/proj/ghc-mod/";
+    description = "Happy Haskell Programming";
+    license = self.stdenv.lib.licenses.bsd3;
+    platforms = self.ghc.meta.platforms;
+  };
+})
diff --git a/pkgs/development/tools/haskell/hoogle/4.2.36.nix b/pkgs/development/tools/haskell/hoogle/4.2.36.nix
new file mode 100644
index 0000000000000..b87c6713b440a
--- /dev/null
+++ b/pkgs/development/tools/haskell/hoogle/4.2.36.nix
@@ -0,0 +1,28 @@
+{ cabal, aeson, binary, blazeBuilder, Cabal, caseInsensitive
+, cmdargs, conduit, deepseq, filepath, haskellSrcExts, httpTypes
+, parsec, QuickCheck, random, resourcet, safe, shake, tagsoup
+, temporary, text, time, transformers, uniplate, vector
+, vectorAlgorithms, wai, warp
+}:
+
+cabal.mkDerivation (self: {
+  pname = "hoogle";
+  version = "4.2.36";
+  sha256 = "1h65pl0jfki2pcrywak9mh3hfi3wziffhb2q0xp6r4v01536zifv";
+  isLibrary = true;
+  isExecutable = true;
+  buildDepends = [
+    aeson binary blazeBuilder Cabal caseInsensitive cmdargs conduit
+    deepseq filepath haskellSrcExts httpTypes parsec QuickCheck random
+    resourcet safe shake tagsoup text time transformers uniplate vector
+    vectorAlgorithms wai warp
+  ];
+  testDepends = [ filepath temporary ];
+  testTarget = "--test-option=--no-net";
+  meta = {
+    homepage = "http://www.haskell.org/hoogle/";
+    description = "Haskell API Search";
+    license = self.stdenv.lib.licenses.bsd3;
+    platforms = self.ghc.meta.platforms;
+  };
+})