DotNetXtensions.Common (nuget): A number of helpful collections, such as a DropOffStack, a PriorityQueue, some binary-search       types that allow chop-searching on virtual collections (not just on an array), and a grab-bag of additional types such as: A ConcurrentTasksRunner, a GuidTimeStamp, a Colour type, and so forth.
Keywords: DropOffStack|PriorityQueue|binary-search|GuidTimeStamp|dotnet|helper-functions