diff --git a/ChangeLog.md b/ChangeLog.md
new file mode 100644
index 0000000..cec9576
--- /dev/null
+++ b/ChangeLog.md
@@ -0,0 +1,3 @@
+# Changelog for free-test
+
+## Unreleased changes
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..e037c72
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,30 @@
+Copyright Author name here (c) 2018
+
+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
index 0000000..15b98d4
--- /dev/null
+++ b/README.md
@@ -0,0 +1 @@
+# free-test
diff --git a/Setup.hs b/Setup.hs
new file mode 100644
index 0000000..9a994af
--- /dev/null
+++ b/Setup.hs
@@ -0,0 +1,2 @@
+import Distribution.Simple
+main = defaultMain
diff --git a/app/Main.hs b/app/Main.hs
new file mode 100644
index 0000000..d58874d
--- /dev/null
+++ b/app/Main.hs
@@ -0,0 +1,8 @@
+module Main where
+
+import Universum
+import Interpreters
+import Tests
+
+main :: IO ()
+main = runFreeIOL $ test2
diff --git a/package.yaml b/package.yaml
new file mode 100644
index 0000000..5946f94
--- /dev/null
+++ b/package.yaml
@@ -0,0 +1,58 @@
+name:                free-test
+version:             0.1.0.0
+github:              "githubuser/free-test"
+license:             BSD3
+author:              "Author name here"
+maintainer:          "example@example.com"
+copyright:           "2018 Author name here"
+
+extra-source-files:
+- README.md
+- ChangeLog.md
+
+# Metadata used when publishing your package
+# synopsis:            Short description of your package
+# category:            Web
+
+# To avoid duplicated efforts in documentation and dealing with the
+# complications of embedding Haddock markup inside cabal files, it is
+# common to point users to the README.md file.
+description:         Please see the README on GitHub at <https://github.com/githubuser/free-test#readme>
+
+default-extensions:
+- NoImplicitPrelude
+- OverloadedStrings
+- ScopedTypeVariables
+- LambdaCase
+- GADTs
+
+dependencies:
+- base >= 4.7 && < 5
+- universum
+- free
+- time
+
+library:
+  source-dirs: src
+
+executables:
+  free-test-exe:
+    main:                Main.hs
+    source-dirs:         app
+    ghc-options:
+    - -threaded
+    - -rtsopts
+    - -with-rtsopts=-N
+    dependencies:
+    - free-test
+
+tests:
+  free-test-test:
+    main:                Spec.hs
+    source-dirs:         test
+    ghc-options:
+    - -threaded
+    - -rtsopts
+    - -with-rtsopts=-N
+    dependencies:
+    - free-test
diff --git a/src/Enecuum/Language/FreeIO.hs b/src/Enecuum/Language/FreeIO.hs
new file mode 100644
index 0000000..71f7f0d
--- /dev/null
+++ b/src/Enecuum/Language/FreeIO.hs
@@ -0,0 +1,15 @@
+module Enecuum.Language.FreeIO where
+
+import           Universum
+import           Control.Monad.Free
+
+data FreeIOF a where
+    FreeIO :: IO a -> (a -> next) -> FreeIOF next
+
+instance Functor FreeIOF where
+    fmap g (FreeIO io next) = FreeIO io (g . next)
+
+type FreeIOL = Free FreeIOF
+
+freeIO :: IO a -> FreeIOL a
+freeIO io = liftF $ FreeIO io identity 
\ No newline at end of file
diff --git a/src/Enecuum/Language/Interpreter.hs b/src/Enecuum/Language/Interpreter.hs
new file mode 100644
index 0000000..5c8d1e7
--- /dev/null
+++ b/src/Enecuum/Language/Interpreter.hs
@@ -0,0 +1,11 @@
+module Enecuum.Language.Interpreter where
+
+import           Universum
+import qualified Enecuum.Language.FreeIO as L
+import           Control.Monad.Free
+
+interpretFreeIOL :: L.FreeIOF a -> IO a
+interpretFreeIOL (L.FreeIO io next) = next <$> io
+
+runFreeIOL :: L.FreeIOL a -> IO a
+runFreeIOL = foldFree interpretFreeIOL
\ No newline at end of file
diff --git a/src/Enecuum/Tests/Test1.hs b/src/Enecuum/Tests/Test1.hs
new file mode 100644
index 0000000..b77b03f
--- /dev/null
+++ b/src/Enecuum/Tests/Test1.hs
@@ -0,0 +1,14 @@
+module Enecuum.Tests.Test1 where
+
+import           Universum
+import           Data.Time.Clock
+
+import qualified Enecuum.Language.FreeIO as L
+
+test1 :: Int -> L.FreeIOL ()
+test1 i = do
+    t1 <- L.freeIO getCurrentTime
+    L.freeIO $ putTextLn $ "Counter: " <> show i
+    t2 <- L.freeIO getCurrentTime
+    L.freeIO $ putTextLn $ "Time " <> show (diffUTCTime t1 t2)
+    test1 $ i + 1
\ No newline at end of file
diff --git a/src/Enecuum/Tests/Test2.hs b/src/Enecuum/Tests/Test2.hs
new file mode 100644
index 0000000..97e5e9d
--- /dev/null
+++ b/src/Enecuum/Tests/Test2.hs
@@ -0,0 +1,13 @@
+module Enecuum.Tests.Test2 where
+
+import           Universum
+import           Data.Time.Clock
+
+import qualified Enecuum.Language.FreeIO as L
+
+test2 :: L.FreeIOL ()
+test2 = forM_ [1..] $ \i -> do
+    t1 <- L.freeIO getCurrentTime
+    L.freeIO $ putTextLn $ "Counter: " <> show i
+    t2 <- L.freeIO getCurrentTime
+    L.freeIO $ putTextLn $ "Time " <> show (diffUTCTime t1 t2)
diff --git a/src/Interpreters.hs b/src/Interpreters.hs
new file mode 100644
index 0000000..1eee3c0
--- /dev/null
+++ b/src/Interpreters.hs
@@ -0,0 +1,3 @@
+module Interpreters ( module X) where
+
+import           Enecuum.Language.Interpreter as X
\ No newline at end of file
diff --git a/src/Tests.hs b/src/Tests.hs
new file mode 100644
index 0000000..cec1392
--- /dev/null
+++ b/src/Tests.hs
@@ -0,0 +1,4 @@
+module Tests ( module X) where
+
+import           Enecuum.Tests.Test1 as X
+import           Enecuum.Tests.Test2 as X
\ No newline at end of file
diff --git a/stack.yaml b/stack.yaml
new file mode 100644
index 0000000..0e35bfd
--- /dev/null
+++ b/stack.yaml
@@ -0,0 +1,63 @@
+# This file was automatically generated by 'stack init'
+#
+# Some commonly used options have been documented as comments in this file.
+# For advanced use and comprehensive documentation of the format, please see:
+# https://docs.haskellstack.org/en/stable/yaml_configuration/
+
+# Resolver to choose a 'specific' stackage snapshot or a compiler version.
+# A snapshot resolver dictates the compiler version and the set of packages
+# to be used for project dependencies. For example:
+#
+# resolver: lts-3.5
+# resolver: nightly-2015-09-21
+# resolver: ghc-7.10.2
+#
+# The location of a snapshot can be provided as a file or url. Stack assumes
+# a snapshot provided as a file might change, whereas a url resource does not.
+#
+# resolver: ./custom-snapshot.yaml
+# resolver: https://example.com/snapshots/2018-01-01.yaml
+resolver: lts-11.22
+# User packages to be built.
+# Various formats can be used as shown in the example below.
+#
+# packages:
+# - some-directory
+# - https://example.com/foo/bar/baz-0.0.2.tar.gz
+# - location:
+#    git: https://github.com/commercialhaskell/stack.git
+#    commit: e7b331f14bcffb8367cd58fbfc8b40ec7642100a
+# - location: https://github.com/commercialhaskell/stack/commit/e7b331f14bcffb8367cd58fbfc8b40ec7642100a
+#  subdirs:
+#  - auto-update
+#  - wai
+packages:
+- .
+# Dependency packages to be pulled from upstream that are not in the resolver
+# using the same syntax as the packages field.
+# (e.g., acme-missiles-0.3)
+# extra-deps: []
+
+# Override default flag values for local packages and extra-deps
+# flags: {}
+
+# Extra package databases containing global packages
+# extra-package-dbs: []
+
+# Control whether we use the GHC we find on the path
+# system-ghc: true
+#
+# Require a specific version of stack, using version ranges
+# require-stack-version: -any # Default
+# require-stack-version: ">=1.9"
+#
+# Override the architecture used by stack, especially useful on Windows
+# arch: i386
+# arch: x86_64
+#
+# Extra directories used by stack for building
+# extra-include-dirs: [/path/to/dir]
+# extra-lib-dirs: [/path/to/dir]
+#
+# Allow a newer minor version of GHC than the snapshot specifies
+# compiler-check: newer-minor
diff --git a/test/Spec.hs b/test/Spec.hs
new file mode 100644
index 0000000..cd4753f
--- /dev/null
+++ b/test/Spec.hs
@@ -0,0 +1,2 @@
+main :: IO ()
+main = putStrLn "Test suite not yet implemented"