diff --git a/LICENSE b/LICENSE
new file mode 100644
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,30 @@
+Copyright John Ky (c) 2016
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+
+    * Redistributions in binary form must reproduce the above
+      copyright notice, this list of conditions and the following
+      disclaimer in the documentation and/or other materials provided
+      with the distribution.
+
+    * Neither the name of Author name here nor the names of other
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/README.md b/README.md
new file mode 100644
--- /dev/null
+++ b/README.md
diff --git a/hw-json-demo.cabal b/hw-json-demo.cabal
new file mode 100644
--- /dev/null
+++ b/hw-json-demo.cabal
@@ -0,0 +1,81 @@
+cabal-version:  2.2
+
+name:                 hw-json-demo
+version:              1.0.0.0
+synopsis:             Memory efficient JSON parser
+description:          Memory efficient JSON parser. Please see README.md
+category:             Data
+homepage:             http://github.com/haskell-works/hw-json-demo#readme
+bug-reports:          https://github.com/haskell-works/hw-json-demo/issues
+author:               John Ky
+maintainer:           newhoggy@gmail.com
+copyright:            2016 - 2019 John Ky
+license:              BSD-3-Clause
+license-file:         LICENSE
+build-type:           Simple
+extra-source-files:   README.md
+
+source-repository head
+  type: git
+  location: https://github.com/haskell-works/hw-json-demo
+
+flag bmi2
+  description: Enable bmi2 instruction set
+  manual: False
+  default: False
+
+flag sse42
+  description: Enable sse4.2 instruction set
+  manual: False
+  default: False
+
+common base                 { build-depends: base                 >= 4          && < 5      }
+
+common aeson                { build-depends: aeson                >= 1.4.2.0    && < 1.6    }
+common bits-extra           { build-depends: bits-extra           >= 0.0.1      && < 0.1    }
+common bytestring           { build-depends: bytestring           >= 0.10.6     && < 0.12   }
+common deepseq              { build-depends: deepseq              >= 1.4.0.0    && < 1.5    }
+common dlist                { build-depends: dlist                >= 0.8        && < 1.1    }
+common hw-balancedparens    { build-depends: hw-balancedparens    >= 0.2.0.1    && < 0.3    }
+common hw-bits              { build-depends: hw-bits              >= 0.7.0.5    && < 0.8    }
+common hw-json              { build-depends: hw-json              >= 1.0.0.0    && < 1.1    }
+common hw-json-simd         { build-depends: hw-json-simd         >= 0.1.0.1    && < 0.2    }
+common hw-mquery            { build-depends: hw-mquery            >= 0.2.0.0    && < 0.3    }
+common hw-prim              { build-depends: hw-prim              >= 0.6.2.21   && < 0.7    }
+common hw-rankselect        { build-depends: hw-rankselect        >= 0.12.0.4   && < 0.13   }
+common hw-rankselect-base   { build-depends: hw-rankselect-base   >= 0.3.2.1    && < 0.4    }
+common hw-simd              { build-depends: hw-simd              >= 0.1.1.2    && < 0.2    }
+common lens                 { build-depends: lens                 >= 4          && < 6      }
+common mmap                 { build-depends: mmap                 >= 0.5        && < 0.6    }
+common vector               { build-depends: vector               >= 0.12       && < 0.13   }
+
+common semigroups   { if impl(ghc <  8    ) { build-depends: semigroups     >= 0.16     && < 0.20 } }
+
+common config
+  default-language: Haskell2010
+  ghc-options: -Wall
+  if flag(sse42)
+    ghc-options: -mbmi2
+  if flag(bmi2) && impl(ghc >= 8.4.1)
+    ghc-options: -mbmi2 -msse4.2
+    cpp-options: -DBMI2_ENABLED
+
+library
+  import:             base, config
+                    , aeson
+                    , bytestring
+                    , deepseq
+                    , dlist
+                    , hw-balancedparens
+                    , hw-bits
+                    , hw-mquery
+                    , hw-json
+                    , hw-json-simd
+                    , hw-prim
+                    , hw-rankselect
+                    , hw-rankselect-base
+                    , mmap
+                    , vector
+  ghc-options:        -O2 -msse4.2
+  other-modules:      Paths_hw_json_demo
+  autogen-modules:    Paths_hw_json_demo