diff --git a/pkgs/applications/editors/yi/yi-contrib.nix b/pkgs/applications/editors/yi/yi-contrib.nix
new file mode 100644
index 000000000000..e2fadcca345d
--- /dev/null
+++ b/pkgs/applications/editors/yi/yi-contrib.nix
@@ -0,0 +1,14 @@
+{ cabal, dataAccessor, filepath, mtl, split, yi }:
+
+cabal.mkDerivation (self: {
+  pname = "yi-contrib";
+  version = "0.7.0";
+  sha256 = "12x9ps5yrszr8dlj15kmsm9myq3gzd9x9nacvl3x6cq91wk53mzj";
+  buildDepends = [ dataAccessor filepath mtl split yi ];
+  meta = {
+    homepage = "http://haskell.org/haskellwiki/Yi";
+    description = "Add-ons to Yi, the Haskell-Scriptable Editor";
+    license = "GPL";
+    platforms = self.ghc.meta.platforms;
+  };
+})
diff --git a/pkgs/applications/editors/yi/yi.nix b/pkgs/applications/editors/yi/yi.nix
new file mode 100644
index 000000000000..01ddd5a9d8e5
--- /dev/null
+++ b/pkgs/applications/editors/yi/yi.nix
@@ -0,0 +1,38 @@
+{ cabal, alex, binary, Cabal, cautiousFile, concreteTyperep
+, dataAccessor, dataAccessorMtl, dataAccessorTemplate, derive, Diff
+, dlist, dyre, filepath, fingertree, ghcPaths, hashable, hint
+, HUnit, mtl, parsec, pointedlist, pureMD5, QuickCheck, random
+, regexBase, regexTdfa, split, testFramework, testFrameworkHunit
+, time, uniplate, unixCompat, unorderedContainers, utf8String, vty
+, pango, gtk, gio, glib, cairo
+, xdgBasedir
+}:
+
+cabal.mkDerivation (self: {
+  pname = "yi";
+  version = "0.7.0";
+  sha256 = "0mzcjgp12k5mxb37r6chxsk726b1qxds49ch656bpgrg7n22w2j1";
+  isLibrary = true;
+  isExecutable = true;
+  buildDepends = [
+    binary Cabal cautiousFile concreteTyperep dataAccessor
+    dataAccessorMtl dataAccessorTemplate derive Diff dlist dyre
+    filepath fingertree ghcPaths hashable hint mtl parsec pointedlist
+    pureMD5 QuickCheck random regexBase regexTdfa split time uniplate
+    unixCompat unorderedContainers utf8String vty xdgBasedir pango gtk
+    gio glib cairo
+  ];
+  testDepends = [
+    filepath HUnit QuickCheck testFramework testFrameworkHunit
+  ];
+  buildTools = [ alex ];
+  meta = {
+    homepage = "http://haskell.org/haskellwiki/Yi";
+    description = "The Haskell-Scriptable Editor";
+    license = "GPL";
+    platforms = self.ghc.meta.platforms;
+  };
+  configureFlags="-fpango";
+  jailbreak=true;
+  doCheck=false; # Tests fail in version on hackage because files are missing
+})
diff --git a/pkgs/development/libraries/haskell/concreteTyperep/default.nix b/pkgs/development/libraries/haskell/concreteTyperep/default.nix
new file mode 100644
index 000000000000..20894b844ac6
--- /dev/null
+++ b/pkgs/development/libraries/haskell/concreteTyperep/default.nix
@@ -0,0 +1,18 @@
+{ cabal, binary, hashable, QuickCheck, testFramework
+, testFrameworkQuickcheck2
+}:
+
+cabal.mkDerivation (self: {
+  pname = "concrete-typerep";
+  version = "0.1.0.2";
+  sha256 = "07wy8drg4723zdy2172jrcvd5ir2c4ggcfz1n33jhm9iv3cl2app";
+  buildDepends = [ binary hashable ];
+  testDepends = [
+    binary hashable QuickCheck testFramework testFrameworkQuickcheck2
+  ];
+  meta = {
+    description = "Binary and Hashable instances for TypeRep";
+    license = self.stdenv.lib.licenses.bsd3;
+    platforms = self.ghc.meta.platforms;
+  };
+})
diff --git a/pkgs/development/libraries/haskell/data-accessor/data-accessor-mtl.nix b/pkgs/development/libraries/haskell/data-accessor/data-accessor-mtl.nix
new file mode 100644
index 000000000000..ce550d02beb5
--- /dev/null
+++ b/pkgs/development/libraries/haskell/data-accessor/data-accessor-mtl.nix
@@ -0,0 +1,14 @@
+{ cabal, dataAccessor, mtl }:
+
+cabal.mkDerivation (self: {
+  pname = "data-accessor-mtl";
+  version = "0.2.0.3";
+  sha256 = "1aksmm4ykb96khgq5y4vd40zbn4c73hgl21xvyc295cwxsyrbvbk";
+  buildDepends = [ dataAccessor mtl ];
+  meta = {
+    homepage = "http://www.haskell.org/haskellwiki/Record_access";
+    description = "Use Accessor to access state in mtl State monad class";
+    license = self.stdenv.lib.licenses.bsd3;
+    platforms = self.ghc.meta.platforms;
+  };
+})
diff --git a/pkgs/development/libraries/haskell/pointedlist/default.nix b/pkgs/development/libraries/haskell/pointedlist/default.nix
new file mode 100644
index 000000000000..881beafaca0f
--- /dev/null
+++ b/pkgs/development/libraries/haskell/pointedlist/default.nix
@@ -0,0 +1,13 @@
+{ cabal, binary, derive }:
+
+cabal.mkDerivation (self: {
+  pname = "pointedlist";
+  version = "0.6";
+  sha256 = "16sfw77w46f7rjd1lpdfzi1bdgf81siy2sj71xqkqbsz6cvkjakg";
+  buildDepends = [ binary derive ];
+  meta = {
+    description = "A zipper-like comonad which works as a list, tracking a position";
+    license = self.stdenv.lib.licenses.bsd3;
+    platforms = self.ghc.meta.platforms;
+  };
+})
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index b045e63e6ba4..7db34335bf4b 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -767,6 +767,8 @@ let result = let callPackage = x : y : modifyPrio (newScope result.finalReturn x
 
   concatenative = callPackage ../development/libraries/haskell/concatenative {};
 
+  concreteTyperep = callPackage ../development/libraries/haskell/concreteTyperep {};
+
   conduit = callPackage ../development/libraries/haskell/conduit {};
 
   ConfigFile = callPackage ../development/libraries/haskell/ConfigFile {};
@@ -841,6 +843,8 @@ let result = let callPackage = x : y : modifyPrio (newScope result.finalReturn x
 
   dataAccessorTransformers = callPackage ../development/libraries/haskell/data-accessor/data-accessor-transformers.nix {};
 
+  dataAccessorMtl = callPackage ../development/libraries/haskell/data-accessor/data-accessor-mtl.nix {};
+
   dataBinaryIeee754 = callPackage ../development/libraries/haskell/data-binary-ieee754 {};
 
   dataDefault = callPackage ../development/libraries/haskell/data-default {};
@@ -1795,6 +1799,8 @@ let result = let callPackage = x : y : modifyPrio (newScope result.finalReturn x
 
   pointed = callPackage ../development/libraries/haskell/pointed {};
 
+  pointedlist = callPackage ../development/libraries/haskell/pointedlist {};
+
   poolConduit = callPackage ../development/libraries/haskell/pool-conduit {};
 
   pop3client = callPackage ../development/libraries/haskell/pop3-client {};
@@ -2604,6 +2610,10 @@ let result = let callPackage = x : y : modifyPrio (newScope result.finalReturn x
     QuickCheck = self.QuickCheck2;
   };
 
+  yi = callPackage ../applications/editors/yi/yi.nix {};
+  
+  yiContrib = callPackage ../applications/editors/yi/yi-contrib.nix {};
+
   xmobar = callPackage ../applications/misc/xmobar {};
 
   xmonad = callPackage ../applications/window-managers/xmonad {};