* QuickCheck
http://hackage.haskell.org/package/QuickCheck
+ * Test Framework
+ http://batterseapower.github.com/test-framework/
+
+ * Test Framework hUnit
+ http://hackage.haskell.org/package/test-framework-hunit
+
+ * Test Framework QuickCheck 2
+ http://hackage.haskell.org/package/test-framework-quickcheck2
+
* HsColour
http://www.cs.york.ac.uk/fp/darcs/hscolour/