diff --git a/LICENSE b/LICENSE
new file mode 100644
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,22 @@
+Copyright (c) 2016, Nikita Volkov
+
+Permission is hereby granted, free of charge, to any person
+obtaining a copy of this software and associated documentation
+files (the "Software"), to deal in the Software without
+restriction, including without limitation the rights to use,
+copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following
+conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
diff --git a/Setup.hs b/Setup.hs
new file mode 100644
--- /dev/null
+++ b/Setup.hs
@@ -0,0 +1,2 @@
+import Distribution.Simple
+main = defaultMain
diff --git a/json-ast.cabal b/json-ast.cabal
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--- /dev/null
+++ b/json-ast.cabal
@@ -0,0 +1,52 @@
+name:
+  json-ast
+version:
+  0.1
+synopsis:
+  Universal JSON AST datastructure
+description:
+homepage:
+  https://github.com/nikita-volkov/json-ast 
+bug-reports:
+  https://github.com/nikita-volkov/json-ast/issues 
+author:
+  Nikita Volkov <nikita.y.volkov@mail.ru>
+maintainer:
+  Nikita Volkov <nikita.y.volkov@mail.ru>
+copyright:
+  (c) 2016, Nikita Volkov
+license:
+  MIT
+license-file:
+  LICENSE
+build-type:
+  Simple
+cabal-version:
+  >=1.10
+
+
+source-repository head
+  type:
+    git
+  location:
+    git://github.com/nikita-volkov/json-ast.git
+
+
+library
+  hs-source-dirs:
+    library
+  default-extensions:
+    NoImplicitPrelude, DeriveDataTypeable
+  default-language:
+    Haskell2010
+  other-modules:
+  exposed-modules:
+    JSON.AST
+  build-depends:
+    -- data:
+    vector >= 0.10 && < 0.12,
+    text >= 1 && < 2,
+    scientific >= 0.3 && < 0.4,
+    unordered-containers >= 0.2 && < 0.3,
+    -- general:
+    base >= 4.6 && < 4.9
diff --git a/library/JSON/AST.hs b/library/JSON/AST.hs
new file mode 100644
--- /dev/null
+++ b/library/JSON/AST.hs
@@ -0,0 +1,25 @@
+module JSON.AST where
+
+import Prelude
+import Data.Data (Data, Typeable)
+import Data.HashMap.Strict (HashMap)
+import Data.Vector (Vector)
+import Data.Text (Text)
+import Data.Scientific (Scientific)
+
+
+-- |
+-- A JSON value AST.
+-- 
+-- Note that this datastructure is identical to \"aeson\" Value.
+-- Until \"aeson\" implements the dependency on \"json-ast\",
+-- you can use "Unsafe.Coerce.unsafeCoerce" to work with it,
+-- thus sidestepping the redundant conversions.
+data JSON =
+  Object !(HashMap Text JSON) |
+  Array !(Vector JSON) |
+  String !Text |
+  Number !Scientific |
+  Bool !Bool |
+  Null
+  deriving (Eq, Read, Show, Typeable, Data)