Top 20 NuGet assembly Packages

Cecil is a library written by Jb Evain to generate and inspect programs and libraries in the ECMA CIL format. It has full support for generics, and support some debugging symbol format. In simple English, with Cecil, you can load existing managed assemblies, browse all the contained types, modify th...
General purpose .NET assembly modding "basework". This package contains the core IL patcher and relinker.
Extensions for ordered testing with Xunit. Full support for ordering at all levels - test collections, test classes and test cases. Support for AssemblyFixture including IMessageSink injection and IAsyncLifetime. Supports .NET Core 1.x, .NET Core 2.x. and .NET 4.5.2+
A translator implementation of .NET intermediate language to C language.
Utilities and smaller MonoMod "components" (f.e. ModInterop, DynDll, DynData). Can be used for your own mods. Required by all other MonoMod components.
Flexible and easily extensible runtime detouring library. Wrap, replace and manipulate (Mono.Cecil) methods at runtime.
GroupDocs.Assembly for .NET is a class library that enables you to generate documents in popular office and email file formats based upon template documents and data obtained from various sources including databases, XML, JSON, OData, objects of custom .NET types, external documents, and more. The l...
Stamps an assembly with a Timestamp.
This is targeted for signing the contents of NuGet packages that are using unsigned assemblies, in order to be able to link to these packages where the consuming project is strongly named. Access to the original source code is not required, and you may sign any assembly with your own strong naming ...
A translator implementation of .NET intermediate language to C language.
Auto-generate hook helper .dlls, hook arbitrary methods via events: On.Namespace.Type.Method += YourHandlerHere;
A translator implementation of .NET intermediate language to C language.
Reflection metadata reading made easier
FluentRegistration
Common framework for DAL and BIZ packages
Syntactic (Semantic) Versioning for .NET libraries heavily inspired in elm-package (bump and diff)
Complement for System.Reflection, including an IL disassembler.
ResourceLoader is a utility for reading embedded resources from assemblies.
PE reader and editor. Native headers and resources, .NET metadata and disassemblers (x86 and CIL).
Provides class to manage loading assemblies from disk.