icsharpcode / ILSpy

.NET Decompiler with support for PDB generation, ReadyToRun, Metadata (&more) - cross-platform!

SamboyCoding / Cpp2IL

Work-in-progress tool to reverse unity's IL2CPP toolchain.

uxmal / reko

Reko is a binary decompiler.

ValveResourceFormat / ValveResourceFormat

Source 2 Viewer is an all-in-one tool to browse VPK archives, view, extract, and decompile Source 2 assets, including maps, models, materials, textures, sounds, and more.