diff --git a/LICENSE b/LICENSE
new file mode 100644
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,30 @@
+Copyright (c) 2017, M Farkas-Dyck
+
+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 M Farkas-Dyck 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/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/Util.hs b/Util.hs
new file mode 100644
--- /dev/null
+++ b/Util.hs
@@ -0,0 +1,64 @@
+module Util where
+
+import Control.Applicative
+import Control.Category
+import Control.Monad
+import Data.Bool
+import Data.Function (flip)
+import Data.Maybe
+
+infixr 3 &=&
+(&=&) :: Applicative p => (a -> p b) -> (a -> p c) -> a -> p (b, c)
+f &=& g = (liftA2 ∘ liftA2) (,) f g
+
+infixr 3 *=*
+(*=*) :: Applicative p => (a1 -> p b1) -> (a2 -> p b2) -> (a1, a2) -> p (b1, b2)
+(f *=* g) (x, y) = liftA2 (,) (f x) (g y)
+
+tripleK :: Applicative p => (a1 -> p b1) -> (a2 -> p b2) -> (a3 -> p b3) -> (a1, a2, a3) -> p (b1, b2, b3)
+tripleK f g h (x, y, z) = liftA3 (,,) (f x) (g y) (h z)
+
+infixr 2 <||>
+(<||>) :: Applicative p => p Bool -> p Bool -> p Bool
+(<||>) = liftA2 (||)
+
+infixr 3 <&&>
+(<&&>) :: Applicative p => p Bool -> p Bool -> p Bool
+(<&&>) = liftA2 (&&)
+
+liftA4 :: (Applicative p) => (a -> b -> c -> d -> e) -> p a -> p b -> p c -> p d -> p e
+liftA4 f x y z = (<*>) (liftA3 f x y z)
+
+apMA :: Monad m => m (a -> m b) -> a -> m b
+apMA f = join ∘ ap f ∘ pure
+
+whileJust :: (Alternative f, Monad m) => m (Maybe a) -> (a -> m b) -> m (f b)
+whileJust mmx f = mmx >>= maybe (pure empty) (f >=> (<$> whileJust mmx f) ∘ (<|>) ∘ pure)
+
+list :: b -> (a -> [a] -> b) -> [a] -> b
+list y _ []     = y
+list _ f (x:xs) = f x xs
+
+infixr 9 &, ∘, ∘∘
+
+(∘) :: (Category p) => p b c -> p a b -> p a c
+(∘) = (.)
+
+(&) :: (Category p) => p a b -> p b c -> p a c
+(&) = flip (∘)
+
+(∘∘) :: (c -> d) -> (a -> b -> c) -> (a -> b -> d)
+(f ∘∘ g) x y = f (g x y)
+
+infixl 0 `onn`
+onn :: (a -> a -> a -> b) -> (c -> a) -> c -> c -> c -> b
+onn f g x y z = f (g x) (g y) (g z)
+
+fst3 :: (a, b, c) -> a
+fst3 (x,_,_) = x
+
+snd3 :: (a, b, c) -> b
+snd3 (_,y,_) = y
+
+þrd3 :: (a, b, c) -> c
+þrd3 (_,_,z) = z
diff --git a/util.cabal b/util.cabal
new file mode 100644
--- /dev/null
+++ b/util.cabal
@@ -0,0 +1,22 @@
+name:                util
+version:             0.1.0.0
+synopsis:            Utilities
+-- description:         
+license:             BSD3
+license-file:        LICENSE
+author:              M Farkas-Dyck
+maintainer:          strake888@gmail.com
+-- copyright:           
+category:            Util
+build-type:          Simple
+cabal-version:       >=1.10
+
+library
+  exposed-modules:     Util
+  -- other-modules:       
+  -- other-extensions:    
+  build-depends:       base >=4.9 && <4.12
+  -- hs-source-dirs:      
+  default-language:    Haskell2010
+  default-extensions:  NoImplicitPrelude
+  ghc-options:         -Wall