OpenIV is a robust tool created by the OpenIV team, widely used for exploring and modifying game files. It also includes a variety of engaging content, such as new characters inspired by other games and expanded assets from the GTA IV universe.
This version comes with advanced features for editing models, including WDR and WDD files. It also supports modifications of key files like carvariations.ymt and vfxvehicleinfo.ymt, making it especially useful for customizing vehicles and visual effects.