Top 20 NuGet left Packages

Very simple LeftOuterJoin extension methods for both IQueryable and IEnumerable types
Enumerations tests framework is provided as an NUnit based framework sufficient to exercise the majority of boilerplate issues concerning both Ordinal as well as Bitwise Enumerations.
The framework Enumerations provides a solid baseline of features emulating a Java style enumeration structure for .NET. Simple Ordinal based Enumerations are supported, as are more complex Flags-like Bitwise Enumerations.
Provides the build time generators that respond to the [FlagsEnumeration] partial class attribute.
Provides the [FlagsEnumeration] attribute for use when signaling when bitwise operators and so forth are to be auto generated at build time.
Extension to String class that makes it easier to do some common jobs as calculate Levenshtein distance between with another string, check if string contains at least one value from an array, check if ends with at least one value from an array, get the file extension of a filename, compute the hash ...
Provides the analyzers necessary to ensure that Enumeration derivations with [FlagsEnumeration] decoration are declared partial.
Left Pad (left-pad) binding library for Bridge.NET projects.
Don't reinvent the wheel, use this package!
Library that supports functional programming patterns in C#.