Katis Slice by: Katis .NET Framework 4.0 14,829 total downloads last updated 7/27/2014 Latest version: 0.4.5321.29200 Slice Array ArraySegment A better ArraySegment MaybeType by: Katis .NET Framework 4.5.1 2,799 total downloads last updated 6/24/2014 Latest version: 0.1.0.1 maybe option monad null Maybe type representing optional values.