icsharpcode/ILSpy
.NET Decompiler with support for PDB generation, ReadyToRun, Metadata (&more) - cross-platform!
GitHub repository with 25,407 stars and 3,671 forks.
Language: C#
Topics: c-sharp, decompile, decompiler, decompiler-engine, dotnet, dotnetcore, ilspy, mono, pdb, unity