s2v.app
Source 2 Viewer (S2V) is a free, open-source tool for browsing VPK archives and viewing, extracting and decompiling Source 2 assets, including maps, models, materials, textures, sounds and particles. The project is reverse-engineered without an official Source 2 SDK and is not affiliated with Valve Software. It supports games such as Counter-Strike 2, Dota 2, Deadlock and Half-Life: Alyx.